Income Taxes (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Current
Federal	$ (8.8)	$ 0.7	$ (0.2)
State and local	2.5	0.8	0.8
Current domestic taxes	(6.3)	1.5	0.6
Foreign	8.0	5.0	5.0
Total current taxes	1.7	6.5	5.6
Deferred
Federal	16.0	8.9	(3.1)
State and local	(3.1)	0.5	0.3
Deferred domestic taxes	12.9	9.4	(2.8)
Foreign	11.5	13.3	4.2
Total deferred taxes	24.4	22.7	1.4
Income taxes	$ 26.1	$ 29.2	$ 7.0