Consolidated Statements Of Operations (Parenthetical) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Defined benefit plan adjustments, tax	$ 7.3	[1]	$ 12.2	[1]	$ 0.6	[1]
Change in fair value of derivatives, tax	$ 3.0	[1]	$ 8.2	[1]	$ (8.4)	[1]

[1] See Note 23 - Restatement of Consolidated Financial Statements