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 STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 1003004 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME link:presentationLink link:calculationLink link:definitionLink 1004005 - Statement - CONDENSED CONSOLIDATED STATEMENT OF EQUITY link:presentationLink link:calculationLink link:definitionLink 1005006 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 2101101 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES: link:presentationLink link:calculationLink link:definitionLink 2202201 - Disclosure - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES: (Policies) link:presentationLink link:calculationLink link:definitionLink 2103102 - Disclosure - TOPIC 842 ADOPTION IMPACT AND LEASES: link:presentationLink link:calculationLink link:definitionLink 2304301 - Disclosure - TOPIC 842 ADOPTION IMPACT AND LEASES: (Tables) link:presentationLink link:calculationLink link:definitionLink 2405401 - Disclosure - TOPIC 842 ADOPTION IMPACT AND LEASES: Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2406402 - Disclosure - TOPIC 842 ADOPTION IMPACT AND LEASES: Operating Lease, Liability Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 2406402 - Disclosure - TOPIC 842 ADOPTION IMPACT AND LEASES: Operating Lease, Liability Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 2407403 - Disclosure - TOPIC 842 ADOPTION IMPACT AND LEASES: Supplemental information related to operating leases (Details) link:presentationLink link:calculationLink link:definitionLink 2408404 - Disclosure - TOPIC 842 ADOPTION IMPACT AND LEASES: Future minimum lease payments under all noncancellable operating leases (Details) link:presentationLink link:calculationLink link:definitionLink 2109103 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS: link:presentationLink link:calculationLink link:definitionLink 2310302 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS: (Tables) link:presentationLink link:calculationLink link:definitionLink 2411405 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS: Disaggregation of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 2412406 - Disclosure - REVENUE FROM CONTRACTS WITH CUSTOMERS: Transaction Price Allocated to the Remaining Performance Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 2113104 - Disclosure - LOSS PER SHARE AND STOCKHOLDERS’ EQUITY: link:presentationLink link:calculationLink link:definitionLink 2314303 - Disclosure - LOSS PER SHARE AND STOCKHOLDERS’ EQUITY: (Tables) link:presentationLink link:calculationLink link:definitionLink 2415407 - Disclosure - LOSS PER SHARE AND STOCKHOLDERS’ EQUITY: Reconciliation of basic and diluted earnings (loss) per share (Details) link:presentationLink link:calculationLink link:definitionLink 2416408 - Disclosure - LOSS PER SHARE AND STOCKHOLDERS’ EQUITY: Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2417409 - Disclosure - LOSS PER SHARE AND STOCKHOLDERS’ EQUITY: Anti-dilutive shares (Details) link:presentationLink link:calculationLink link:definitionLink 2118105 - Disclosure - ACQUISITIONS: link:presentationLink link:calculationLink link:definitionLink 2319304 - Disclosure - ACQUISITIONS: (Tables) link:presentationLink link:calculationLink link:definitionLink 2420410 - Disclosure - ACQUISITIONS: Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2421411 - Disclosure - ACQUISITIONS: Purchase price allocation related to assets acquired and liabilities assumed (Details) link:presentationLink link:calculationLink link:definitionLink 2122106 - Disclosure - DISCONTINUED OPERATIONS: link:presentationLink link:calculationLink link:definitionLink 2323305 - Disclosure - DISCONTINUED OPERATIONS: (Tables) link:presentationLink link:calculationLink link:definitionLink 2424412 - Disclosure - DISCONTINUED OPERATIONS: Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2425413 - Disclosure - DISCONTINUED OPERATIONS: Reconciliation of the major classes of line items constituting earnings from discontinued operations (Details) link:presentationLink link:calculationLink link:definitionLink 2426414 - Disclosure - DISCONTINUED OPERATIONS: The related cash inflows and outflows and revenues and expenses (Details) link:presentationLink link:calculationLink link:definitionLink 2127107 - Disclosure - STOCK-BASED COMPENSATION: link:presentationLink link:calculationLink link:definitionLink 2328306 - Disclosure - STOCK-BASED COMPENSATION: (Tables) link:presentationLink link:calculationLink link:definitionLink 2429415 - Disclosure - STOCK-BASED COMPENSATION: (Details) link:presentationLink link:calculationLink link:definitionLink 2430416 - Disclosure - STOCK-BASED COMPENSATION: Stock-based compensation activity, by award type (Details) link:presentationLink link:calculationLink link:definitionLink 2431417 - Disclosure - STOCKHOLDERS' EQUITY: Future expense, by award type (Details) link:presentationLink link:calculationLink link:definitionLink 2432418 - Disclosure - STOCK-BASED COMPENSATION: Performance Stock Option Unit Activity (Details) link:presentationLink link:calculationLink link:definitionLink 2433419 - Disclosure - STOCK-BASED COMPENSATION: Stock options outstanding and exercisable (Details) link:presentationLink link:calculationLink link:definitionLink 2434420 - Disclosure - STOCK-BASED COMPENSATION: Non vested time vesting restricted stock unit activity (Details) link:presentationLink link:calculationLink link:definitionLink 2435421 - Disclosure - STOCK-BASED COMPENSATION: Other (Details) link:presentationLink link:calculationLink link:definitionLink 2136108 - Disclosure - OTHER CURRENT AND NONCURRENT ASSETS: link:presentationLink link:calculationLink link:definitionLink 2337307 - Disclosure - OTHER CURRENT AND NONCURRENT ASSETS: (Tables) link:presentationLink link:calculationLink link:definitionLink 2438422 - Disclosure - OTHER CURRENT AND NONCURRENT ASSETS: (Details) link:presentationLink link:calculationLink link:definitionLink 2139109 - Disclosure - OTHER ACCRUED EXPENSES: link:presentationLink link:calculationLink link:definitionLink 2340308 - Disclosure - OTHER ACCRUED EXPENSES: (Tables) link:presentationLink link:calculationLink link:definitionLink 2441423 - Disclosure - OTHER ACCRUED EXPENSES: (Details) link:presentationLink link:calculationLink link:definitionLink 2142110 - Disclosure - PROPERTY AND EQUIPMENT link:presentationLink link:calculationLink link:definitionLink 2343309 - Disclosure - PROPERTY AND EQUIPMENT (Tables) link:presentationLink link:calculationLink link:definitionLink 2444424 - Disclosure - PROPERTY AND EQUIPMENT (Details) link:presentationLink link:calculationLink link:definitionLink 2145111 - Disclosure - GOODWILL AND INTANGIBLE ASSETS: link:presentationLink link:calculationLink link:definitionLink 2346310 - Disclosure - GOODWILL AND INTANGIBLE ASSETS: (Tables) link:presentationLink link:calculationLink link:definitionLink 2447425 - Disclosure - GOODWILL AND INTANGIBLE ASSETS: (Details) link:presentationLink link:calculationLink link:definitionLink 2448426 - Disclosure - GOODWILL AND INTANGIBLE ASSETS: - Amounts allocated to intangible assets from acquisitions (Details) link:presentationLink link:calculationLink link:definitionLink 2449427 - Disclosure - GOODWILL AND INTANGIBLE ASSETS: - Estimated future amortization expenses (Details) link:presentationLink link:calculationLink link:definitionLink 2150112 - Disclosure - SOFTWARE: link:presentationLink link:calculationLink link:definitionLink 2351311 - Disclosure - SOFTWARE: (Tables) link:presentationLink link:calculationLink link:definitionLink 2452428 - Disclosure - Schedule of Software (Details) link:presentationLink link:calculationLink link:definitionLink 2453429 - Disclosure - SOFTWARE: (Details) link:presentationLink link:calculationLink link:definitionLink 2154113 - Disclosure - ALLOWANCE FOR DOUBTFUL ACCOUNTS: link:presentationLink link:calculationLink link:definitionLink 2455430 - Disclosure - ALLOWANCE FOR DOUBTFUL ACCOUNTS: (Details) link:presentationLink link:calculationLink link:definitionLink 2156114 - Disclosure - RESTRUCTURING, IMPAIRMENT AND OTHER CHARGES: link:presentationLink link:calculationLink link:definitionLink 2357312 - Disclosure - RESTRUCTURING, IMPAIRMENT AND OTHER CHARGES: (Tables) link:presentationLink link:calculationLink link:definitionLink 2458431 - Disclosure - RESTRUCTURING, IMPAIRMENT AND OTHER CHARGES: Summary of restructuring activity (Details) link:presentationLink link:calculationLink link:definitionLink 2459432 - Disclosure - RESTRUCTURING, IMPAIRMENT AND OTHER CHARGES: Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2460433 - Disclosure - RESTRUCTURING, IMPAIRMENT AND OTHER CHARGES: Gains, losses and other items (Details) link:presentationLink link:calculationLink link:definitionLink 2161115 - Disclosure - COMMITMENTS AND CONTINGENCIES: link:presentationLink link:calculationLink link:definitionLink 2162116 - Disclosure - INCOME TAXES: link:presentationLink link:calculationLink link:definitionLink 2163117 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS: link:presentationLink link:calculationLink link:definitionLink 2364313 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS: (Tables) link:presentationLink link:calculationLink link:definitionLink 2465434 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS: (Details) link:presentationLink link:calculationLink link:definitionLink 2166118 - Disclosure - SUBSEQUENT EVENT link:presentationLink link:calculationLink link:definitionLink 2467435 - Disclosure - SUBSEQUENT EVENT: Narrative (Details) link:presentationLink link:calculationLink link:definitionLink