0000001 - Document - COVER link:presentationLink link:calculationLink link:definitionLink 0000002 - Document - AUDIT INFORMATION link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 9952156 - Disclosure - ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - NEW ACCOUNTING PRONOUNCEMENTS link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - BASIC AND DILUTED EARNINGS (LOSS) PER SHARE link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - REVENUE link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - CONTRACT BALANCES AND ALLOWANCE FOR EXPECTED CREDIT LOSSES link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - GOODWILL AND INTANGIBLE ASSETS link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - ACCOUNTS PAYABLE AND ACCRUED EXPENSES link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - LEASES link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - NOTES PAYABLE link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - SHARE-BASED ACCOUNTING CHARGE link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - POST-COMBINATION COMPENSATION CHARGE link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - RELATED PARTY TRANSACTIONS link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - OMNIBUS INCENTIVE PLAN link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - FAIR VALUE MEASUREMENT link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - ACQUISITIONS link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - SEGMENT REPORTING link:presentationLink link:calculationLink link:definitionLink 9952173 - Disclosure - STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 9952174 - Disclosure - SUBSEQUENT EVENTS link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - BASIC AND DILUTED EARNINGS (LOSS) PER SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - REVENUE (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - CONTRACT BALANCES AND ALLOWANCE FOR EXPECTED CREDIT LOSSES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - GOODWILL AND INTANGIBLE ASSETS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - ACCOUNTS PAYABLE AND ACCRUED EXPENSES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - LEASES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - NOTES PAYABLE (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - SHARE-BASED ACCOUNTING CHARGE (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - POST-COMBINATION COMPENSATION CHARGE (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - OMNIBUS INCENTIVE PLAN (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - INCOME TAXES (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - FAIR VALUE MEASUREMENT (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - ACQUISITIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - SEGMENT REPORTING (Tables) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - STOCKHOLDERS' EQUITY (Tables) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - BASIC AND DILUTED EARNINGS (LOSS) PER SHARE - Schedule of Outstanding Number of Shares and Potentially Dilutive Stock Options and RSUs (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - BASIC AND DILUTED EARNINGS (LOSS) PER SHARE - Schedule of Weighted Average Shares Outstanding and Potentially Dilutive Stock Options and RSUs (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - BASIC AND DILUTED EARNINGS (LOSS) PER SHARE - Schedule of Computation of Basic and Diluted Loss Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - REVENUE - Summary of Revenue by Type - (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - REVENUE - Summary of Revenue by Geographic Region - (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - CONTRACT BALANCES AND ALLOWANCE FOR EXPECTED CREDIT LOSSES - Schedule of Information about Receivables, Contract Assets and Contract Liabilities from Contracts with Customers (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - CONTRACT BALANCES AND ALLOWANCE FOR EXPECTED CREDIT LOSSES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - CONTRACT BALANCES AND ALLOWANCE FOR EXPECTED CREDIT LOSSES - Schedule of Information about the Activity in the Allowance for Doubtful Accounts (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Schedule of Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Schedule of Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Schedule of Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Schedule of Finite-Lived Intangible Assets, Future Amortization Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - ACCOUNTS PAYABLE AND ACCRUED EXPENSES (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - LEASES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - LEASES - Schedule of Lease Costs and Other Quantitative Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - LEASES - Schedule of Future Payments of Operating Leases (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - LEASES - Schedule of Future Payments of Operating Leases (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - NOTES PAYABLE - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - NOTES PAYABLE - Schedule of Company's Total Debt Consists (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - NOTES PAYABLE - Schedule of Company's Total Debt Consists (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - NOTES PAYABLE - Schedule of Future Principal Maturities of the Terms Loans (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - NOTES PAYABLE - Schedule of Interest Expense Incurred for the Term Loans (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - SHARE-BASED ACCOUNTING CHARGE - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - SHARE-BASED ACCOUNTING CHARGE - Summary of Expense Relating to Retained Pre-UK IPO Shares - (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - POST-COMBINATION COMPENSATION CHARGE - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - POST-COMBINATION COMPENSATION CHARGE - Summary of Post-Combination Charges (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - POST-COMBINATION COMPENSATION CHARGE - Schedule of Other Liabilities and Contingent (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - RELATED PARTY TRANSACTIONS (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - OMNIBUS INCENTIVE PLAN - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - OMNIBUS INCENTIVE PLAN - Schedule of Total Long-Term Incentive Program Expense, Net of Forfeitures (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - OMNIBUS INCENTIVE PLAN - Schedule of Share-based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - OMNIBUS INCENTIVE PLAN - Schedule of Total Unrecognized Compensation Expense and Weighted-Average Period for that Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - OMNIBUS INCENTIVE PLAN - Schedule of Fair Value of Each Option Granted (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - OMNIBUS INCENTIVE PLAN - Option (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - OMNIBUS INCENTIVE PLAN - Schedule of Fair Value of Each RSU and RSAs Granted (Details) link:presentationLink link:calculationLink link:definitionLink 9955561 - Disclosure - OMNIBUS INCENTIVE PLAN - Schedule of Activity in the Company's Non-Vested RSUs and RSAs (Details) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - OMNIBUS INCENTIVE PLAN - Schedule of Fair Value of the SARs Calculation (Details) link:presentationLink link:calculationLink link:definitionLink 9955563 - Disclosure - OMNIBUS INCENTIVE PLAN - Stock Appreciation Right (Details) link:presentationLink link:calculationLink link:definitionLink 9955564 - Disclosure - INCOME TAXES - Schedule of Components of Loss Before Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955565 - Disclosure - INCOME TAXES - Income Tax Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955566 - Disclosure - INCOME TAXES - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955567 - Disclosure - INCOME TAXES - Schedule of Deferred Tax Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955568 - Disclosure - INCOME TAXES - Schedule of Income Tax Expense Reconciliation 2025 (Details) link:presentationLink link:calculationLink link:definitionLink 9955569 - Disclosure - INCOME TAXES - Schedule of Income Tax Expense Reconciliation 2024 (Details) link:presentationLink link:calculationLink link:definitionLink 9955570 - Disclosure - INCOME TAXES - Schedule of Income Taxes Paid, Net of Cash Received (Details) link:presentationLink link:calculationLink link:definitionLink 9955571 - Disclosure - FAIR VALUE MEASUREMENT - Schedule of Fair Value, Company’s Liabilities Measured on Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 9955572 - Disclosure - FAIR VALUE MEASUREMENT - Schedule of Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation for the Contingent Consideration (Details) link:presentationLink link:calculationLink link:definitionLink 9955573 - Disclosure - FAIR VALUE MEASUREMENT - Summary of Fair Value Inputs (Details) link:presentationLink link:calculationLink link:definitionLink 9955574 - Disclosure - ACQUISITIONS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955575 - Disclosure - ACQUISITIONS - Schedule of Preliminary Purchase Consideration (Details) link:presentationLink link:calculationLink link:definitionLink 9955576 - Disclosure - ACQUISITIONS- Schedule of Fair Value of Assets Acquired and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955577 - Disclosure - ACQUISITIONS - Schedule of Significant Inputs to the Calculation, Contingent Consideration of the Acquisition (Details) link:presentationLink link:calculationLink link:definitionLink 9955578 - Disclosure - ACQUISITIONS - Schedule of Components of Identifiable Intangible Assets Acquired and their Estimated Useful Lives (Details) link:presentationLink link:calculationLink link:definitionLink 9955579 - Disclosure - ACQUISITIONS - Schedule of Supplemental Pro Forma Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955580 - Disclosure - SEGMENT REPORTING - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955581 - Disclosure - SEGMENT REPORTING - Schedule of Segment Reporting Information, by Segment (Details) link:presentationLink link:calculationLink link:definitionLink 9955582 - Disclosure - STOCKHOLDERS' EQUITY - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955583 - Disclosure - STOCKHOLDERS' EQUITY - Schedule of Unvested Restricted Common Stock, Share Issue (Details) link:presentationLink link:calculationLink link:definitionLink 9955584 - Disclosure - SUBSEQUENT EVENTS (Details) link:presentationLink link:calculationLink link:definitionLink