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Inventories
6 Months Ended
Jun. 30, 2013
Inventory Disclosure [Abstract]  
Inventories
Inventories
The components of inventories as of June 30, 2013 and December 31, 2012 are summarized as follows:
(in millions)
 
June 30, 2013
 
December 31, 2012
Inventories — gross:
 
 

 
 

Raw materials
 
$
237.5

 
$
231.1

Work-in-process
 
190.1

 
149.7

Finished goods
 
495.4

 
437.6

Total inventories — gross
 
923.0

 
818.4

Excess and obsolete inventory reserve
 
(71.4
)
 
(74.2
)
Net inventories at FIFO cost
 
851.6

 
744.2

Excess of FIFO costs over LIFO value
 
(35.7
)
 
(36.6
)
Inventories — net
 
$
815.9

 
$
707.6