Debt - Term Loan Agreement - Additional Information (Detail) - USD ($)			3 Months Ended		9 Months Ended
	Aug. 01, 2017	Feb. 17, 2017	Sep. 30, 2017	Oct. 01, 2016	Sep. 30, 2017	Oct. 01, 2016	Dec. 31, 2016
Debt Instrument [Line Items]
Total debt			$ 3,700,000,000		$ 3,700,000,000		$ 3,800,000,000
Interest expense			43,211,000	$ 48,956,000	126,099,000	$ 189,759,000
Amended and Restated 2016 Term Loan [Member]
Debt Instrument [Line Items]
Unamortized deferred financing costs			11,598,000		11,598,000		$ 13,318,000
Amended and Restated 2016 Term Loan [Member] | Interest Rate Swap [Member]
Debt Instrument [Line Items]
Total debt			1,100,000,000		1,100,000,000
Interest rate swap agreements term	4 years
Notional amount of debt hedged	$ 1,100,000,000
Notional amount of debt hedged	$ 825,000,000
Derivative interest rate	4.47%
Amended and Restated 2016 Term Loan [Member]
Debt Instrument [Line Items]
Total debt			2,161,000,000		2,161,000,000
Unamortized deferred financing costs		$ 13,000,000	$ 12,000,000		12,000,000
Principal repayments					$ 5,500,000
Reduction of basis points		(25.00%)
Interest rate above base rate		1.75%
Floor interest rate on basis spread		0.75%
Interest expense		$ 400,000
Write-off of unamortized deferred financing costs		$ 200,000
Amended and Restated 2016 Term Loan [Member] | LIBOR [Member]
Debt Instrument [Line Items]
Basis spread on variable interest rate		2.75%