Significant Accounting Policies - Adoption of New Accounting Standards (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jul. 02, 2022	Jul. 03, 2021	Jan. 02, 2022	Jan. 01, 2022
Significant Accounting Policies
Current portion of convertible debt, net						$ 450,599
Other non-current liabilities	$ 53,371		$ 53,371			77,044
Retained earnings	$ 1,619,396		$ 1,619,396			$ 2,214,839
Basic (in dollars per share)	$ 0.62	$ 0.44	$ 1.22	$ 0.75
Diluted (in dollars per share)	0.60	$ 0.44	1.18	$ 0.73
ASU 2020-06 | Cumulative effect of adoption of accounting standard
Significant Accounting Policies
Current portion of convertible debt, net					$ 76,991
Other non-current liabilities					(17,028)
Retained earnings					$ (59,963)
Basic (in dollars per share)	0.11		0.22
Diluted (in dollars per share)	$ 0.11		$ 0.21