Annual report pursuant to Section 13 and 15(d)

Goodwill and Other Intangible Assets - Other Intangible Assets (Detail)

v3.8.0.1
Goodwill and Other Intangible Assets - Other Intangible Assets (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Finite-lived Intangible Assets [Roll Forward]      
Finite-lived intangible assets, beginning balance   $ 195,941 $ 176,701
Additions   208,815 22,619
Dispositions   0 (3,386)
Transfers / Other   991 7
Finite-lived intangible assets, ending balance $ 195,941 405,747 195,941
Finite-lived Intangible Assets, Accumulated Amortization [Roll Forward]      
Accumulated Amortization, beginning balance   (133,467) (110,882)
Additions   (31,892) (24,489)
Dispositions   0 1,904
Transfers / Other   (188)  
Accumulated Amortization, ending balance (133,467) (165,547) (133,467)
Indefinite-lived Intangible Assets [Roll Forward]      
Dispositions (3,700) 0 (3,694)
Impairments   0 (750)
Intangible Assets, Net [Roll Forward]      
Intangible assets, net, beginning balance   74,976 81,280
Additions   176,923 (1,870)
Transfers / Other   438 10
Intangible assets, net, ending balance 74,976 252,337 74,976
Developed product technologies      
Finite-lived Intangible Assets [Roll Forward]      
Finite-lived intangible assets, beginning balance   75,924 69,379
Additions   92,271 6,538
Dispositions   0 0
Transfers / Other   618 7
Finite-lived intangible assets, ending balance 75,924 168,813 75,924
Client relationships      
Finite-lived Intangible Assets [Roll Forward]      
Finite-lived intangible assets, beginning balance   108,468 96,523
Additions   105,260 15,331
Dispositions   0 (3,386)
Finite-lived intangible assets, ending balance 108,468 213,728 108,468
Vendor relationships      
Finite-lived Intangible Assets [Roll Forward]      
Finite-lived intangible assets, beginning balance   5,650 5,650
Dispositions   0 0
Finite-lived intangible assets, ending balance 5,650 5,650 5,650
Trade names      
Finite-lived Intangible Assets [Roll Forward]      
Finite-lived intangible assets, beginning balance   5,899 5,149
Additions   11,284 750
Dispositions   0 0
Transfers / Other   373 0
Finite-lived intangible assets, ending balance 5,899 17,556 5,899
Trade names      
Indefinite-lived Intangible Assets [Roll Forward]      
Beginning balance, indefinite-lived trade names   12,502 15,461
Additions   0 0
Dispositions   0 (2,212)
Impairments   0 (750)
Transfers / Other   (365) 3
Ending balance, indefinite-lived trade names $ 12,502 $ 12,137 $ 12,502