Summary of Significant Accounting Policies Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
Accounting Policies [Abstract]
Non-cash share-based compensation expense	$ 9,300	$ 5,000	$ 16,938	$ 9,122
Provision for income taxes	$ 13,911	$ 5,590	$ 42,818	$ 28,275
Effective Income Tax Rate Reconciliation, Percent	10.30%	20.90%	16.90%	22.90%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			24.50%
Interest paid			$ 26,800	$ 32,900
Income tax payments			$ 42,800	$ 8,000
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	12,656	22,488	10,463	12,261
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities	1,430,308		1,087,320
UK Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent			25.00%
UK Tax Rate, percentage			19.00%