Summary of Significant Accounting Policies (Details) (USD $) In Millions, unless otherwise specified			12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Minimum [Member]	Dec. 31, 2012 Maximum [Member]
Accounting Policies [Abstract]
Allowance for doubtful accounts	$ 0.5	$ 0.3
Finished goods	70.9	67.1
Work in process	23.6	19.6
Raw materials	67.7	65.1
Total inventories	$ 162.2	$ 151.8
Finite-Lived Intangible Assets [Line Items]
Estimated useful life of finite-lived intangible assets			5 years	25 years