Guarantees and Indemnifications (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]
Beginning Balance	$ 21.0	$ 26.5	$ 21.4	$ 30.3
Accrued to expense	0.4	0.4	0.7	0.9
Product Warranty Accrual, Period Increase (Decrease)	2.0	1.0	6.1	1.0
Payments made	(3.8)	(4.5)	(8.6)	(8.8)
Total warranty reserves	19.6	23.4	19.6	23.4
Current portion of warranty reserves	(12.0)	(12.0)	(12.0)	(12.0)
Long-term portion of warranty reserves	$ 7.6	$ 11.4	$ 7.6	$ 11.4