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Summary of Significant Accounting Policies - Supplemental Cash Flow Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Apr. 01, 2023	Apr. 02, 2022	Dec. 31, 2022	Jan. 01, 2022
Accounting Policies [Abstract]
Interest expense	$ 11.7	$ 0.1
Income taxes	11.0	5.8
Operating lease liabilities	5.3	2.1
ROU assets obtained in exchange for lease liabilities	0.6	8.3
Unpaid purchases of property and equipment	0.7	5.7
Unpaid strategic investments	1.2	2.3
Unsettled common stock proceeds from option exercises	0.1	0.3
Cash and cash equivalents	174.1	720.0	$ 202.9
Restricted cash	7.0	3.0
Total cash, cash equivalents and restricted cash shown in the condensed consolidated statements of cash flows	$ 181.1	$ 723.0	$ 209.6	$ 748.4

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