Commitments and Contingencies (Details 4) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Commitments and Contingencies Disclosure [Abstract]
Product Quality Issue Accrual, Changes in estimates associated with pre-existing liabilities	$ (0.6)	$ 2.2
Changes in the accrued product quality issue
Total accrued product quality issue, beginning balance	6.7	7.5
Product Quality Issue Accrual Payments	(1.4)	(3.0)
Total accrued product quality issue, ending balance	$ 4.7	$ 6.7