0001001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 1001002 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 1002003 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1003004 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) link:presentationLink link:calculationLink link:definitionLink 1004005 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF EQUITY link:presentationLink link:calculationLink link:definitionLink 1005006 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 2101101 - Disclosure - ORGANIZATION AND BASIS OF PRESENTATION link:presentationLink link:calculationLink link:definitionLink 2202201 - Disclosure - ORGANIZATION AND BASIS OF PRESENTATION (Policies) link:presentationLink link:calculationLink link:definitionLink 2403401 - Disclosure - ORGANIZATION AND BASIS OF PRESENTATION (Details) link:presentationLink link:calculationLink link:definitionLink 2104102 - Disclosure - CUSTOMER CONCENTRATION link:presentationLink link:calculationLink link:definitionLink 2405402 - Disclosure - CUSTOMER CONCENTRATION (Details) link:presentationLink link:calculationLink link:definitionLink 2106103 - Disclosure - SALE OF A BUSINESS link:presentationLink link:calculationLink link:definitionLink 2407403 - Disclosure - SALE OF A BUSINESS (Details) link:presentationLink link:calculationLink link:definitionLink 2108104 - Disclosure - INVESTMENT IN EQUITY SECURITIES link:presentationLink link:calculationLink link:definitionLink 2409404 - Disclosure - INVESTMENT IN EQUITY SECURITIES (Details) link:presentationLink link:calculationLink link:definitionLink 2110105 - Disclosure - ACCOUNTS RECEIVABLE, NET link:presentationLink link:calculationLink link:definitionLink 2311301 - Disclosure - ACCOUNTS RECEIVABLE, NET (Tables) link:presentationLink link:calculationLink link:definitionLink 2412405 - Disclosure - ACCOUNTS RECEIVABLE, NET - Schedule of Accounts Receivable, Net (Details) link:presentationLink link:calculationLink link:definitionLink 2413406 - Disclosure - ACCOUNTS RECEIVABLE, NET - Schedule of Allowance for Doubtful Accounts and Expected Credit Losses (Details) link:presentationLink link:calculationLink link:definitionLink 2114106 - Disclosure - PREPAID EXPENSES AND OTHER CURRENT ASSETS link:presentationLink link:calculationLink link:definitionLink 2315302 - Disclosure - PREPAID EXPENSES AND OTHER CURRENT ASSETS (Tables) link:presentationLink link:calculationLink link:definitionLink 2416407 - Disclosure - PREPAID EXPENSES AND OTHER CURRENT ASSETS (Details) link:presentationLink link:calculationLink link:definitionLink 2117107 - Disclosure - PREMISES AND EQUIPMENT, NET link:presentationLink link:calculationLink link:definitionLink 2318303 - Disclosure - PREMISES AND EQUIPMENT, NET (Tables) link:presentationLink link:calculationLink link:definitionLink 2419408 - Disclosure - PREMISES AND EQUIPMENT, NET (Details) link:presentationLink link:calculationLink link:definitionLink 2420409 - Disclosure - PREMISES AND EQUIPMENT, NET - Summary by Country (Details) link:presentationLink link:calculationLink link:definitionLink 2121108 - Disclosure - RIGHT-OF-USE ASSETS UNDER OPERATING LEASES, NET link:presentationLink link:calculationLink link:definitionLink 2322304 - Disclosure - RIGHT-OF-USE ASSETS UNDER OPERATING LEASES, NET (Tables) link:presentationLink link:calculationLink link:definitionLink 2423410 - Disclosure - RIGHT-OF-USE ASSETS UNDER OPERATING LEASES, NET (Details) link:presentationLink link:calculationLink link:definitionLink 2124109 - Disclosure - GOODWILL AND INTANGIBLE ASSETS, NET link:presentationLink link:calculationLink link:definitionLink 2325305 - Disclosure - GOODWILL AND INTANGIBLE ASSETS, NET (Tables) link:presentationLink link:calculationLink link:definitionLink 2426411 - Disclosure - GOODWILL AND INTANGIBLE ASSETS, NET - Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 2427412 - Disclosure - GOODWILL AND INTANGIBLE ASSETS, NET - Intangible assets, net (Details) link:presentationLink link:calculationLink link:definitionLink 2128110 - Disclosure - OTHER ASSETS link:presentationLink link:calculationLink link:definitionLink 2329306 - Disclosure - OTHER ASSETS (Tables) link:presentationLink link:calculationLink link:definitionLink 2430413 - Disclosure - OTHER ASSETS (Details) link:presentationLink link:calculationLink link:definitionLink 2131111 - Disclosure - ACCOUNTS PAYABLE, ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES link:presentationLink link:calculationLink link:definitionLink 2332307 - Disclosure - ACCOUNTS PAYABLE, ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 2433414 - Disclosure - ACCOUNTS PAYABLE, ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES - Accounts Payable and Accrued Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 2434415 - Disclosure - ACCOUNTS PAYABLE, ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES - Other Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2135112 - Disclosure - LONG-TERM DEBT link:presentationLink link:calculationLink link:definitionLink 2336308 - Disclosure - LONG-TERM DEBT (Tables) link:presentationLink link:calculationLink link:definitionLink 2437416 - Disclosure - LONG-TERM DEBT (Details) link:presentationLink link:calculationLink link:definitionLink 2138113 - Disclosure - OTHER NON-CURRENT LIABILITIES link:presentationLink link:calculationLink link:definitionLink 2339309 - Disclosure - OTHER NON-CURRENT LIABILITIES (Tables) link:presentationLink link:calculationLink link:definitionLink 2440417 - Disclosure - OTHER NON-CURRENT LIABILITIES (Details) link:presentationLink link:calculationLink link:definitionLink 2141114 - Disclosure - FAIR VALUE MEASUREMENTS AND FINANCIAL INSTRUMENTS link:presentationLink link:calculationLink link:definitionLink 2342310 - Disclosure - FAIR VALUE MEASUREMENTS AND FINANCIAL INSTRUMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 2443418 - Disclosure - FAIR VALUE MEASUREMENTS AND FINANCIAL INSTRUMENTS - Fair Value Measurements, Recurring and Nonrecurring (Details) link:presentationLink link:calculationLink link:definitionLink 2444419 - Disclosure - FAIR VALUE MEASUREMENTS AND FINANCIAL INSTRUMENTS - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2145115 - Disclosure - SHAREHOLDERS’ EQUITY AND SHARE-BASED COMPENSATION link:presentationLink link:calculationLink link:definitionLink 2346311 - Disclosure - SHAREHOLDERS’ EQUITY AND SHARE-BASED COMPENSATION (Tables) link:presentationLink link:calculationLink link:definitionLink 2447420 - Disclosure - SHAREHOLDERS’ EQUITY AND SHARE-BASED COMPENSATION - Stock Repurchase Plan & Share-Based Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 2448421 - Disclosure - SHAREHOLDERS’ EQUITY AND SHARE-BASED COMPENSATION - Summary of Activity Related to Awards (Details) link:presentationLink link:calculationLink link:definitionLink 2449422 - Disclosure - SHAREHOLDERS’ EQUITY AND SHARE-BASED COMPENSATION - RSU (Details) link:presentationLink link:calculationLink link:definitionLink 2150116 - Disclosure - REVENUE link:presentationLink link:calculationLink link:definitionLink 2351312 - Disclosure - REVENUE (Tables) link:presentationLink link:calculationLink link:definitionLink 2452423 - Disclosure - REVENUE (Details) link:presentationLink link:calculationLink link:definitionLink 2453424 - Disclosure - REVENUE - Disaggregation of revenue (Details) link:presentationLink link:calculationLink link:definitionLink 2454425 - Disclosure - REVENUE REVENUE - Contract Balances (Details) link:presentationLink link:calculationLink link:definitionLink 2155117 - Disclosure - COST OF REVENUE link:presentationLink link:calculationLink link:definitionLink 2356313 - Disclosure - COST OF REVENUE (Tables) link:presentationLink link:calculationLink link:definitionLink 2457426 - Disclosure - COST OF REVENUE (Details) link:presentationLink link:calculationLink link:definitionLink 2158118 - Disclosure - SELLING, GENERAL AND ADMINISTRATIVE EXPENSES link:presentationLink link:calculationLink link:definitionLink 2359314 - Disclosure - SELLING, GENERAL AND ADMINISTRATIVE EXPENSES (Tables) link:presentationLink link:calculationLink link:definitionLink 2460427 - Disclosure - SELLING, GENERAL AND ADMINISTRATIVE EXPENSES (Details) link:presentationLink link:calculationLink link:definitionLink 2161119 - Disclosure - OTHER INCOME (EXPENSE), NET link:presentationLink link:calculationLink link:definitionLink 2362315 - Disclosure - OTHER INCOME (EXPENSE), NET (Tables) link:presentationLink link:calculationLink link:definitionLink 2463428 - Disclosure - OTHER INCOME (EXPENSE), NET (Details) link:presentationLink link:calculationLink link:definitionLink 2164120 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 2465429 - Disclosure - INCOME TAXES (Details) link:presentationLink link:calculationLink link:definitionLink 2166121 - Disclosure - LOSS PER SHARE link:presentationLink link:calculationLink link:definitionLink 2367316 - Disclosure - LOSS PER SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 2468430 - Disclosure - LOSS PER SHARE (Details) link:presentationLink link:calculationLink link:definitionLink 2169122 - Disclosure - RESTRUCTURING CHARGES link:presentationLink link:calculationLink link:definitionLink 2470431 - Disclosure - RESTRUCTURING CHARGES (Details) link:presentationLink link:calculationLink link:definitionLink 2171123 - Disclosure - COMMITMENTS, CONTINGENCIES AND REGULATORY MATTERS link:presentationLink link:calculationLink link:definitionLink 2372317 - Disclosure - COMMITMENTS, CONTINGENCIES AND REGULATORY MATTERS (Tables) link:presentationLink link:calculationLink link:definitionLink 2473432 - Disclosure - COMMITMENTS, CONTINGENCIES AND REGULATORY MATTERS (Details) link:presentationLink link:calculationLink link:definitionLink 2474433 - Disclosure - COMMITMENTS, CONTINGENCIES AND REGULATORY MATTERS - Leases (Details) link:presentationLink link:calculationLink link:definitionLink 2475434 - Disclosure - COMMITMENTS, CONTINGENCIES AND REGULATORY MATTERS - Lease Term and Assumption (Details) link:presentationLink link:calculationLink link:definitionLink 2476435 - Disclosure - COMMITMENTS, CONTINGENCIES AND REGULATORY MATTERS - Lease Activity (Details) link:presentationLink link:calculationLink link:definitionLink 2477436 - Disclosure - COMMITMENTS, CONTINGENCIES AND REGULATORY MATTERS - Maturities of Operating Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2477436 - Disclosure - COMMITMENTS, CONTINGENCIES AND REGULATORY MATTERS - Maturities of Operating Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink