Debt (Detail) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Total debt	$ 1,559,652,000	$ 1,676,606,000
Less current maturities	(51,237,000)	(28,688,000)
Long-term debt	1,508,415,000	1,647,918,000
Term A-2 Loan
Debt Instrument [Line Items]
Senior notes, par value	195,800,000
Term B Loan
Debt Instrument [Line Items]
Senior notes, par value	500,000,000
Senior Notes \| 2021 Notes
Debt Instrument [Line Items]
Senior notes, par value	$ 238,000,000
Interest rate of debt	3.875%
Senior Notes \| 2024 Notes
Debt Instrument [Line Items]
Senior notes, par value	$ 275,000,000
Interest rate of debt	4.375%
Term Loan
Debt Instrument [Line Items]
Senior notes, par value	$ 858,000,000
Carrying Amount \| Senior Notes \| 3.875% Senior Notes
Debt Instrument [Line Items]
Total debt	236,234,000	273,577,000
Carrying Amount \| Senior Notes \| 4.375% Senior Notes
Debt Instrument [Line Items]
Total debt	273,978,000	272,972,000
Carrying Amount \| Term Loan \| Term Loan A-1
Debt Instrument [Line Items]
Total debt	206,521,000	231,847,000
Carrying Amount \| Term Loan \| Term A-2 Loan
Debt Instrument [Line Items]
Total debt	170,899,000	190,575,000
Carrying Amount \| Term Loan \| Term B Loan
Debt Instrument [Line Items]
Total debt	480,337,000	483,327,000
Carrying Amount \| Revolving Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Total debt	177,900,000	210,100,000
Carrying Amount \| Finance Lease Liabilities And Other
Debt Instrument [Line Items]
Finance leases and other	13,783,000
Carrying Amount \| Capital Lease Obligations
Debt Instrument [Line Items]
Finance leases and other		14,208,000
Estimate of Fair Value Measurement
Debt Instrument [Line Items]
Estimated Fair Value	1,458,392,000	1,413,874,000
Less current maturities	(51,237,000)	(28,688,000)
Long-term debt	1,407,155,000	1,385,186,000
Estimate of Fair Value Measurement \| Senior Notes \| 3.875% Senior Notes
Debt Instrument [Line Items]
Estimated Fair Value	229,356,000	207,001,000
Estimate of Fair Value Measurement \| Senior Notes \| 4.375% Senior Notes
Debt Instrument [Line Items]
Estimated Fair Value	212,086,000	174,859,000
Estimate of Fair Value Measurement \| Term Loan \| Term Loan A-1
Debt Instrument [Line Items]
Estimated Fair Value	209,375,000	231,847,000
Estimate of Fair Value Measurement \| Term Loan \| Term A-2 Loan
Debt Instrument [Line Items]
Estimated Fair Value	173,675,000	190,575,000
Estimate of Fair Value Measurement \| Term Loan \| Term B Loan
Debt Instrument [Line Items]
Estimated Fair Value	442,217,000	385,284,000
Estimate of Fair Value Measurement \| Revolving Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Estimated Fair Value	177,900,000	210,100,000
Estimate of Fair Value Measurement \| Finance Lease Liabilities And Other
Debt Instrument [Line Items]
Finance leases and other	$ 13,783,000
Estimate of Fair Value Measurement \| Capital Lease Obligations
Debt Instrument [Line Items]
Finance leases and other		$ 14,208,000

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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