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	$ (20.6)	[1]	$ (2.1)	[1],[2]	$ 20.9	[1]	$ 65.1	[1],[2]
Weighted average shares outstanding for basic EPS computation	49.7	[3]	52.2	[2],[3]	49.8	[3]	52.2	[2],[3]
Earnings per common share - basic	$ (0.41)	[4]	$ (0.04)	[2],[4]	$ 0.42	[4]	$ 1.25	[2],[4]
Net income attributable to Company common shareholders	(20.6)	[1]	(2.1)	[1],[2]	20.9	[1]	65.1	[1],[2]
Add: preferred stock dividends, if applicable	0.1		0.1	[2]	0.3		0.3	[2]
Net income for diluted EPS computation	$ (20.5)	[1]	$ (2.0)	[1]	$ 21.2	[1]	$ 65.4	[1]
Weighted average shares outstanding including nonvested shares	49.7	[3]	52.2	[2],[3]	49.8	[3]	52.2	[2],[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	[3]	52.2	[2],[3]	51.2	[3]	54.2	[2],[3]
Earnings per common share - assuming dilution	$ (0.41)		$ (0.04)	[2]	$ 0.41		$ 1.21	[2]

[1] Numerator

[2] See Note 23 - Restatement of Condensed Consolidated Financial Statements (Unaudited)

[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).