XML 61 R50.htm IDEA: XBRL DOCUMENT v3.10.0.1
Software and Other Intangible Assets - Carrying Amount and Accumulated Amortization of Other Intangible Assets (Detail) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 317,232 $ 321,864
Accumulated Amortization (143,175) (130,583)
Net Balance 174,057 191,281
Customer Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 300,782 305,218
Accumulated Amortization (128,367) (116,677)
Net Balance 172,415 188,541
Trademarks and Tradenames [Member]    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 16,450 16,646
Accumulated Amortization (14,808) (13,906)
Net Balance $ 1,642 $ 2,740