Inventories, net (Details) (USD $) In Millions	Sep. 30, 2011	Dec. 31, 2010
Inventories, net
Raw materials	$ 89.4	$ 71.6
Work in progress	58.3	40.7
Finished goods	89.0	80.4
Total inventories, gross	236.7	192.7
Inventory allowances	(23.4)	(22.8)
Total inventories, net	$ 213.3	$ 169.9

Certain changes made in the current period to the value and amount of inventory reported.

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