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				6 Months Ended
	Jun. 29, 2012		Jul. 01, 2011		Jun. 29, 2012		Jul. 01, 2011
Earnings Per Share [Abstract]
Net income for basic EPS computation	$ 18.8	[1],[2]	$ 33.2	[1],[2]	$ 41.5	[1],[2]	$ 67.2	[1],[2]
Weighted average shares outstanding for basic EPS computation	49.8	[1],[3]	52.2	[1],[3]	49.8	[1],[3]	52.2	[1],[3]
Earnings per common share-basic	$ 0.38	[1],[4]	$ 0.64	[1],[4]	$ 0.83	[1],[4]	$ 1.29	[1],[4]
Net income attributable to Company common shareholders	18.8	[1],[2]	33.2	[1],[2]	41.5	[1],[2]	67.2	[1],[2]
Add: preferred stock dividends, if applicable	0.1	[1]	0.1	[1]	0.2	[1]	0.2	[1]
Net income for diluted EPS computation	$ 18.9	[2]	$ 33.3	[2]	$ 41.7	[2]	$ 67.4	[2]
Weighted average shares outstanding including nonvested shares	49.8	[1],[3]	52.2	[1],[3]	49.8	[1],[3]	52.2	[1],[3]
Dilutive effect of convertible notes	0		1.4		0		1.2
Dilutive effect of stock options and restricted stock units	0.9		0.9		0.9		0.9
Dilutive effect of assumed conversion of preferred stock	0.4		0.4		0.4		0.4
Weighted average shares outstanding for diluted EPS computation	51.1	[1],[3]	54.9	[1],[3]	51.1	[1],[3]	54.7	[1],[3]
Earnings per common share-assuming dilution	$ 0.37	[1]	$ 0.61	[1]	$ 0.82	[1]	$ 1.23	[1]

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

[2] Numerator

[3] Denominator

[4] 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).