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Sale-Leasebacks - Additional Information (Detail) $ in Thousands	1 Months Ended	3 Months Ended				12 Months Ended
	Jan. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Sep. 28, 2018 USD ($)	Jun. 29, 2018 USD ($)	Mar. 30, 2018 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 29, 2017 USD ($)	Dec. 31, 2011 USD ($) Sale-leaseback building
Sale Leaseback Transaction [Line Items]
Sale leaseback transaction, description						During fiscal 2011, the Company consummated two sale-leaseback transactions associated with the sale of two office buildings
Number of sale leaseback transactions consummated | Sale-leaseback									2
Number of sale leaseback transaction associated with sale | building									2
Gain recognized to the sale leaseback transaction									$ 106,700
Deferred gain resulting from sale-leaseback transactions		$ 46,004					$ 46,004		$ 107,800
Amortization of deferred gain		(1,813)	$ (1,798)	$ (1,829)	$ (1,813)		7,253	$ 7,283
Accounting Standards Update 2016-02
Sale Leaseback Transaction [Line Items]
Deferred gain balance recognized		$ 53,300					$ 53,300
Adjustment due to adoption of ASC						$ 52,608
Accounting Standards Update 2016-02 | Deferred Tax Asset
Sale Leaseback Transaction [Line Items]
Adjustment due to adoption of ASC	$ 700					$ 700

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Number of office buildings sold.

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Sale leaseback transaction amortization of deferred gain.

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Amount of cumulative effect of the change in accounting principle or new accounting pronouncement on retained earnings or other components of equity or net assets in the statement of financial position as of the beginning of the earliest period presented.

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Amount of gain (loss) on sale and leaseback transaction from transfer of asset accounted for as sale.

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