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Software and Other Intangible Assets - Estimated Amortization Expense for Future Fiscal Years Based on Capitalized Intangible Assets (Detail) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]    
Net Balance $ 198,192 $ 203,634
Software [Member]    
Finite-Lived Intangible Assets [Line Items]    
Remainder of 2017 28,300  
2018 45,170  
2019 37,170  
2020 28,181  
2021 18,780  
2022 8,227  
Thereafter 5,648  
Net Balance 171,476  
Other Intangible Assets [Member]    
Finite-Lived Intangible Assets [Line Items]    
Remainder of 2017 9,700  
2018 18,895  
2019 18,349  
2020 17,464  
2021 16,971  
2022 16,814  
Thereafter 99,999  
Net Balance $ 198,192