Annual report pursuant to Section 13 and 15(d)

LONG-LIVED ASSETS (Definite-lived Intangibles) (Details)

v3.10.0.1
LONG-LIVED ASSETS (Definite-lived Intangibles) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Finite-lived Intangibles Asset [Roll Forward]      
Gross carrying amount - Beginning of period $ 1,456,040 $ 1,433,830  
Accumulated amortization - Beginning of period (726,775) (621,799)  
Net - Beginning of period 729,265 812,031  
Gross carrying amount - Acquisitions - current year 137,772 61,057  
Gross carrying amount - Acquisitions - prior year 6,347 29,860  
Gross carrying amount - Dispositions (30,566)    
Gross carrying amount - Foreign exchange (28,395) 42,329  
Gross carrying amount - Other [1] (125,182) (111,036)  
Gross carrying amount - Net Change (40,024) 22,210  
Accumulated amortization - Amortization (190,653) (202,566) $ (178,100)
Accumulated amortization - Dispositions 21,384    
Accumulated amortization - Foreign exchange 15,827 (18,165)  
Accumulated amortization - Other [1] 125,652 115,755  
Accumulated amortization - Net Change (27,790) (104,976)  
Gross carrying amount - End of period 1,416,016 1,456,040 1,433,830
Accumulated amortization - End of period (754,565) (726,775) (621,799)
Net - End of period $ 661,451 $ 729,265 812,031
Weighted-average lives of definite-lived intangible assets 7 years 6 years  
Estimate of amortization expense for each of the five succeeding fiscal years [Abstract]      
2019 $ 176,313    
2020 137,489    
2021 99,384    
2022 80,004    
2023 65,987    
Revenue-generating contracts [Member]      
Finite-lived Intangibles Asset [Roll Forward]      
Gross carrying amount - Beginning of period 789,363 $ 760,398  
Accumulated amortization - Beginning of period (410,011) (316,800)  
Net - Beginning of period 379,352 443,598  
Gross carrying amount - Acquisitions - current year 6,128 19,095  
Gross carrying amount - Acquisitions - prior year 4,447 (6,724)  
Gross carrying amount - Dispositions 0    
Gross carrying amount - Foreign exchange (14,426) 23,308  
Gross carrying amount - Other [1] (92,549) (6,714)  
Gross carrying amount - Net Change (96,400) 28,965  
Accumulated amortization - Amortization (81,291) (94,797)  
Accumulated amortization - Dispositions 0    
Accumulated amortization - Foreign exchange 7,526 (9,918)  
Accumulated amortization - Other [1] 92,774 11,504  
Accumulated amortization - Net Change 19,009 (93,211)  
Gross carrying amount - End of period 692,963 789,363 760,398
Accumulated amortization - End of period (391,002) (410,011) (316,800)
Net - End of period $ 301,961 $ 379,352 443,598
Weighted-average lives of definite-lived intangible assets 7 years 7 years  
Client/vendor relationships [Member]      
Finite-lived Intangibles Asset [Roll Forward]      
Gross carrying amount - Beginning of period $ 341,449 $ 402,009  
Accumulated amortization - Beginning of period (186,357) (213,785)  
Net - Beginning of period 155,092 188,224  
Gross carrying amount - Acquisitions - current year 84,146 22,635  
Gross carrying amount - Acquisitions - prior year 0 0  
Gross carrying amount - Dispositions (11,812)    
Gross carrying amount - Foreign exchange (7,378) 10,457  
Gross carrying amount - Other [1] (12,633) (93,652)  
Gross carrying amount - Net Change 52,323 (60,560)  
Accumulated amortization - Amortization (52,879) (61,550)  
Accumulated amortization - Dispositions 8,146    
Accumulated amortization - Foreign exchange 4,813 (4,460)  
Accumulated amortization - Other [1] 12,678 93,438  
Accumulated amortization - Net Change (27,242) 27,428  
Gross carrying amount - End of period 393,772 341,449 402,009
Accumulated amortization - End of period (213,599) (186,357) (213,785)
Net - End of period $ 180,173 $ 155,092 188,224
Weighted-average lives of definite-lived intangible assets 7 years 6 years  
Trademarks and naming rights [Member]      
Finite-lived Intangibles Asset [Roll Forward]      
Gross carrying amount - Beginning of period $ 126,331 $ 94,338  
Accumulated amortization - Beginning of period (32,681) (23,724)  
Net - Beginning of period 93,650 70,614  
Gross carrying amount - Acquisitions - current year 2,067 0  
Gross carrying amount - Acquisitions - prior year 0 35,464  
Gross carrying amount - Dispositions 0    
Gross carrying amount - Foreign exchange (1,756) 1,429  
Gross carrying amount - Other [1] (2,935) (4,900)  
Gross carrying amount - Net Change (2,624) 31,993  
Accumulated amortization - Amortization (12,633) (13,315)  
Accumulated amortization - Dispositions 0    
Accumulated amortization - Foreign exchange 536 (560)  
Accumulated amortization - Other [1] 2,970 4,918  
Accumulated amortization - Net Change (9,127) (8,957)  
Gross carrying amount - End of period 123,707 126,331 94,338
Accumulated amortization - End of period (41,808) (32,681) (23,724)
Net - End of period $ 81,899 93,650 70,614
Weighted-average lives of definite-lived intangible assets 3 years    
Technology [Member]      
Finite-lived Intangibles Asset [Roll Forward]      
Gross carrying amount - Beginning of period $ 63,666 53,078  
Accumulated amortization - Beginning of period (22,745) (13,637)  
Net - Beginning of period 40,921 39,441  
Gross carrying amount - Acquisitions - current year 30,029 12,707  
Gross carrying amount - Acquisitions - prior year 0 1,120  
Gross carrying amount - Dispositions 0    
Gross carrying amount - Foreign exchange (1,626) 2,278  
Gross carrying amount - Other [1] (6,658) (5,517)  
Gross carrying amount - Net Change 21,745 10,588  
Accumulated amortization - Amortization (23,727) (13,869)  
Accumulated amortization - Dispositions 0    
Accumulated amortization - Foreign exchange 973 (764)  
Accumulated amortization - Other [1] 6,673 5,525  
Accumulated amortization - Net Change (16,081) (9,108)  
Gross carrying amount - End of period 85,411 63,666 53,078
Accumulated amortization - End of period (38,826) (22,745) (13,637)
Net - End of period $ 46,585 $ 40,921 39,441
Weighted-average lives of definite-lived intangible assets 3 years 3 years  
Other Intangible Assets [Member]      
Finite-lived Intangibles Asset [Roll Forward]      
Gross carrying amount - Beginning of period $ 135,231 $ 124,007  
Accumulated amortization - Beginning of period (74,981) (53,853)  
Net - Beginning of period 60,250 70,154  
Gross carrying amount - Acquisitions - current year 15,402 6,620  
Gross carrying amount - Acquisitions - prior year 1,900 0  
Gross carrying amount - Dispositions (18,754)    
Gross carrying amount - Foreign exchange (3,209) 4,857  
Gross carrying amount - Other (10,407) (253)  
Gross carrying amount - Net Change (15,068) 11,224  
Accumulated amortization - Amortization (20,123) (19,035)  
Accumulated amortization - Dispositions 13,238    
Accumulated amortization - Foreign exchange 1,979 (2,463)  
Accumulated amortization - Other 10,557 370  
Accumulated amortization - Net Change 5,651 (21,128)  
Gross carrying amount - End of period 120,163 135,231 124,007
Accumulated amortization - End of period (69,330) (74,981) (53,853)
Net - End of period $ 50,833 $ 60,250 $ 70,154
Weighted-average lives of definite-lived intangible assets 12 years 9 years  
[1] Other primarily includes netdowns of fully amortized or impaired assets.