Summary of Significant Accounting Policies Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Accounting Policies [Abstract]
Non-cash share-based compensation expense	$ 5,000	$ 300	$ 9,122	$ 1,334
Provision for income taxes	$ 5,590	$ 33,246	$ 28,275	$ 53,948
Effective Income Tax Rate Reconciliation, Percent	20.90%	26.50%	22.90%	25.10%
Interest paid			$ 32,900	$ 42,000
Income tax payments			$ 8,000	$ 41,300