Debt - Transactions - Additional Information (Detail) - USD ($) $ in Thousands			1 Months Ended	3 Months Ended		12 Months Ended
	Jul. 02, 2016	Jun. 01, 2016	Jun. 30, 2016	Oct. 01, 2016	Jul. 02, 2016	Dec. 31, 2016
Debt Instrument [Line Items]
Proceeds from IPO		$ 1,114,000				$ 1,113,799
Aggregate principal amount of debt						3,802,216
Loss on extinguishment of debt				$ (11,483)	$ (42,149)	(53,632)
2016 Senior Notes [Member]
Debt Instrument [Line Items]
Aggregate principal amount of debt			$ 600,000
Unamortized deferred financing cost						7,000
Amended 2011 Term Loan [Member] | June 2016 Refinancings [Member]
Debt Instrument [Line Items]
Aggregate principal amount of debt			2,042,000
After Amendment [Member] | June 2016 Refinancings [Member]
Debt Instrument [Line Items]
Aggregate principal amount of debt			2,200,000
Amended and Restated 2016 Term Loan [Member]
Debt Instrument [Line Items]
Aggregate principal amount of debt						$ 2,200,000
Debt instrument, maturity date						Jun. 27, 2023
Unamortized deferred financing cost						$ 13,000
Amended and Restated 2016 Term Loan [Member] | Term Loan Refinancing [Member]
Debt Instrument [Line Items]
Aggregate principal amount of debt						1,393,000
Additional principal purchased from lenders						238,000
Principal amount sold						$ 569,000
Senior Notes [Member]
Debt Instrument [Line Items]
Proceeds from IPO		1,114,000
Principal redeemed		1,090,000
Loss on early redemption premium		$ 23,000
Debt instrument, maturity date						Jun. 15, 2024
Unamortized deferred financing cost						$ 7,185
Old Senior Notes [Member]
Debt Instrument [Line Items]
Loss on early redemption premium	$ 6,000
Aggregate principal amount of debt	258,000				258,000
Gross proceeds from issuance of debt	$ 264,000				$ 264,000
Unamortized deferred financing cost						$ 13,441
Old Senior Notes [Member] | Notes Payable to Banks [Member]
Debt Instrument [Line Items]
Loss on early redemption premium			29,000
Loss on extinguishment of debt			42,000
Expense of debt extinguishment costs			7,000
Write-off of unamortized deferred financing costs			6,000
Old Senior Notes [Member] | June 2016 Refinancings [Member]
Debt Instrument [Line Items]
Aggregate principal amount of debt			258,000
Amended 2011 Term Loan [Member]
Debt Instrument [Line Items]
Unamortized deferred financing cost			$ 4,000
Amended and Restated 2016 Term Loan [Member]
Debt Instrument [Line Items]
Debt instrument, maturity date						Jun. 27, 2023
Unamortized deferred financing cost						$ 13,318
Debt modification amortization maturity period			Jun. 27, 2023