Earnings (Loss) Per Common Share (Reconciliation Of The Numerator And Denominator Of Earnings (Loss) Per Common Share) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 28, 2012		Sep. 30, 2011		Sep. 28, 2012		Sep. 30, 2011
Earnings Per Share [Abstract]
Net income for basic EPS computation	$ (22.9)	[1],[2]	$ (8.4)	[1],[2]	$ 19.7	[1],[2]	$ 57.7	[1],[2]
Weighted average shares outstanding for basic EPS computation	49.7	[3]	52.2	[1],[3]	49.8	[3]	52.2	[1],[3]
Earnings (loss) per common share - basic	$ (0.46)	[4]	$ (0.16)	[1],[4]	$ 0.40	[4]	$ 1.11	[1],[4]
Net income attributable to Company common shareholders	(22.9)	[1],[2]	(8.4)	[1],[2]	19.7	[1],[2]	57.7	[1],[2]
Add: preferred stock dividends, if applicable	0.1	[1]	0.1	[1]	0.3	[1]	0.3	[1]
Net income for diluted EPS computation	$ (22.8)	[2]	$ (8.3)	[2]	$ 20.0	[2]	$ 58.0	[2]
Weighted average shares outstanding including nonvested shares	49.7	[3]	52.2	[1],[3]	49.8	[3]	52.2	[1],[3]
Dilutive effect of convertible notes	0		0		0		0.8
Dilutive effect of stock options and restricted stock units	0		0		1.0		0.8
Dilutive effect of assumed conversion of preferred stock	0		0		0.4		0.4
Weighted average shares outstanding for diluted EPS computation	49.7	[1],[3]	52.2	[1],[3]	51.2	[1],[3]	54.2	[1],[3]
Earnings (loss) per common share - assuming dilution	$ (0.46)	[1]	$ (0.16)	[1]	$ 0.39	[1]	$ 1.07	[1]

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

[2] Numerator

[3] Denominator

[4] Under the two-class method, earnings (loss) per share – basic reflects undistributed earnings per share for both common stock and unvested share-based payment awards (restricted stock).