Warranties (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Changes in accrued product warranty costs
Beginning balance	$ 6.6	$ 6.5	$ 5.9
Settlements made (in cash or in kind)	(7.9)	(6.3)	(5.6)
Current year accrual	14.8	6.5	6.5
Effect of foreign currency translation	(0.3)	(0.1)	(0.3)
Ending balance	$ 13.2	$ 6.6	$ 6.5