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Long-Term Debt and Short-Term Borrowings - Schedule of Long-Term Debt (Detail) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Debt Instrument [Line Items]    
Total long-term debt $ 1,766,084 $ 1,773,396
Less: current maturities of long-term debt (1,718) (1,814)
Less: unamortized debt issuance costs (9,848) (10,337)
Total long-term debt, net of current maturities 1,754,518 1,761,245
Senior secured term loans [Member]    
Debt Instrument [Line Items]    
Total long-term debt 741,306 748,531
Other Long Term Debt [Member]    
Debt Instrument [Line Items]    
Total long-term debt 1,718 1,861
4.875% Senior Notes [Member] | Senior Notes [Member]    
Debt Instrument [Line Items]    
Total long-term debt 597,154 597,052
5.25% Senior Notes [Member] | Senior Notes [Member]    
Debt Instrument [Line Items]    
Total long-term debt $ 425,906 $ 425,952