Balance Sheet Information - Summary of Inventories (Detail) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 25, 2020
Inventory Disclosure [Abstract]
Raw materials	$ 220.9	$ 102.9
Work in process	102.5	64.5
Finished goods	55.8	13.0
Total	$ 379.2	$ 180.4

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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