Software and Other Intangible Assets - Estimated Amortization Expense for Future Fiscal Years Based on Capitalized Intangible Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Net Balance	$ 168,127	$ 191,281
Software [Member]
Finite-Lived Intangible Assets [Line Items]
2019	49,229
2020	39,014
2021	25,382
2022	12,228
2023	6,349
Thereafter	5,026
Net Balance	137,228
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
2019	21,825
2020	20,944
2021	20,451
2022	20,303
2023	20,000
Thereafter	64,604
Net Balance	$ 168,127