Significant Accounting Policies - Adoption of New Accounting Standards (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Apr. 02, 2022	Apr. 03, 2021	Jan. 02, 2022	Jan. 01, 2022
Significant Accounting Policies
Current portion of convertible debt, net				$ 450,599
Other non-current liabilities	$ 61,813			77,044
Retained earnings	$ 2,018,117			$ 2,214,839
Basic (in dollars per share)	$ 0.60	$ 0.31
Diluted (in dollars per share)	0.58	$ 0.29
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
Diluted (in dollars per share)	$ 0.10