Warranties (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Changes in accrued product warranty costs
Balance at January 1,	$ 13.2	$ 6.6
Settlements made (in cash or in kind)	(2.3)	(1.4)
Current year accrual	2.1	1.5
Effect of foreign currency translation	0.2	0
Balance at March 31,	$ 13.2	$ 6.7