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Inventories, net (Tables)
6 Months Ended
Jun. 30, 2019
Inventory Disclosure [Abstract]  
Components of Inventories
(in millions)
June 30,
2019
December 31,
2018
Raw materials$211.7 $195.1 
Work-in-process
72.2 59.5 
Finished goods
257.3 236.5 
Reserves
(35.6)(33.6)
Inventories, net
$505.6 $457.5