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Inventories
3 Months Ended
Apr. 02, 2016
Inventory Disclosure [Abstract]  
Inventories
Inventories
Inventories are stated at the lower of cost or market. 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):
 
April 2,
2016
 
December 31, 2015
Raw materials
$
746.3

 
$
706.8

Work-in-process
103.7

 
90.2

Finished goods
159.7

 
150.6

Inventories
$
1,009.7

 
$
947.6