Software and Other Intangible Assets - Estimated Amortization Expense for Future Fiscal Years Based on Capitalized Intangible Assets (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Net Balance	$ 200,496	$ 203,634
Software [Member]
Finite-Lived Intangible Assets [Line Items]
Remainder of 2017	41,263
2018	42,444
2019	34,426
2020	26,307
2021	18,294
2022	7,906
Thereafter	5,068
Net Balance	175,708
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Remainder of 2017	14,390
2018	18,683
2019	18,148
2020	17,277
2021	16,809
2022	16,651
Thereafter	98,538
Net Balance	$ 200,496