Balance Sheet Information and Other - Inventory (Details) - USD ($) $ in Millions	Apr. 03, 2020	Dec. 31, 2019
Inventories:
Raw materials	$ 142.7	$ 138.4
Work in process	808.6	772.9
Finished goods	300.6	321.1
Inventories	$ 1,251.9	$ 1,232.4

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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