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Inventories
9 Months Ended
Oct. 02, 2021
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories are stated at the lower of cost or net realizable value. Cost is determined using the first-in, first-out method. Finished goods and work-in-process inventories include material, labor and manufacturing overhead costs.
A summary of inventories is shown below (in millions):
October 2,
2021
December 31,
2020
Raw materials$1,250.1 $1,051.6 
Work-in-process124.7 109.8 
Finished goods545.5 396.9 
Reserves(154.3)(157.2)
Inventories$1,766.0 $1,401.1