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	3 Months Ended				9 Months Ended
	Sep. 30, 2011		Oct. 01, 2010		Sep. 30, 2011		Oct. 01, 2010
Earnings (Loss) Per Common Share
Net income for basic EPS computation	$ 3.6	[1]	$ 18.1	[1]	$ 79.3	[1]	$ 34.1	[1]
Weighted average shares outstanding for basic EPS computation	52.2	[2]	52.1	[2]	52.2	[2]	52.1	[2]
Earnings per common share-basic	$ 0.07	[3]	$ 0.35	[3]	$ 1.52	[3]	$ 0.65	[3]
Net income attributable to Company common shareholders	3.6	[1]	18.1	[1]	79.3	[1]	34.1	[1]
Add: preferred stock dividends, if applicable	0.1		0.1		0.3		0.3
Net income for diluted EPS computation	$ 3.7	[1]	$ 18.2	[1]	$ 79.6	[1]	$ 34.4	[1]
Weighted average shares outstanding including nonvested shares	52.2	[2]	52.1	[2]	52.2	[2]	52.1	[2]
Dilutive effect of convertible notes					0.8
Dilutive effect of stock options and restricted stock units	0.8		0.6		0.8		0.6
Dilutive effect of assumed conversion of preferred stock	0.4		0.4		0.4		0.4
Weighted average shares outstanding for diluted EPS computation	53.4	[2]	53.1	[2]	54.2	[2]	53.1	[2]
Earnings per common share-assuming dilution	$ 0.07		$ 0.34		$ 1.47		$ 0.65

[1] Numerator

[2] Denominator

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