Inventories (Tables)

3 Months Ended

Mar. 31, 2013

Inventory Disclosure [Abstract]

Summary of inventory

Inventories are summarized as follows:

(in millions)	March 31, 2013		December 31, 2012
Raw materials and supplies	$	224.3	$	210.7
Work in process and finished goods	473.7		451.2
Total inventories	$	698.0	$	661.9