Consolidated Statements of Changes in Equity (Unaudited) (USD $) In Millions	Total USD ($)	Common Stock [Member] USD ($)	Additional Paid-in Capital [Member] USD ($)	Retained Earnings [Member] USD ($)	Accumulated Other Comprehensive Income [Member] USD ($)	Treasury Stock [Member] USD ($)	Noncontrolling Interest [Member] USD ($)	Capital Units [Member]
Beginning Balance at Dec. 31, 2009	$ 1,092.5	$ 1.6	$ 1,360.3	$ 1,564.4	$ (7.6)	$ (1,826.3)	$ 0.1
Beginning Balance, Shares at Dec. 31, 2009								85.4
Comprehensive income:
Net income	94.4			93.9			0.5
Reclassification adjustment for hedge gains and losses included in net income, net of tax benefit	0.1				0.1
Foreign currency translation adjustments	0.7				0.7
Total comprehensive income	95.2
Issuance of restricted stock to employees, net of forfeitures (in shares)								1.7
Exercise of employee stock options	0.6		0.6
Amortization expense in connection with employee stock options and restricted stock	19.1		19.1
Distributions to noncontrolling interest	(0.5)						(0.5)
Tax effects from vesting of restricted stock and exercise of employee stock options	(1.5)		(1.5)
Tax effects of expired employee stock options	(0.4)		(0.4)
Dividends on common stock ($0.15 per share)	(13.1)			(13.1)
Ending Balance at Oct. 02, 2010	1,191.9	1.6	1,378.1	1,645.2	(6.8)	(1,826.3)	0.1
Ending Balance, Shares at Oct. 02, 2010								87.1
Beginning Balance at Dec. 31, 2010	1,138.3	0.9	541.9	603.8	(8.4)	0	0.1
Beginning Balance, Shares at Dec. 31, 2010								86.4
Comprehensive income:
Net income	72.4			71.8			0.6
Reclassification adjustment for hedge gains and losses included in net income, net of tax benefit	0.6				0.6
Foreign currency translation adjustments	(13.8)				(13.8)
Change in fair value of cash flow hedges, net of $0.1 tax benefit	(0.2)				(0.2)
Total comprehensive income	59.0
Issuance of restricted stock to employees, net of forfeitures (in shares)								1.7
Amortization expense in connection with employee stock options and restricted stock	13.9		13.9
Distributions to noncontrolling interest	(0.5)						(0.5)
Tax effects from vesting of restricted stock and exercise of employee stock options	1.0		1.0
Tax effects of expired employee stock options	(1.2)		(1.2)
Treasury stock acquired	(78.0)	(0.1)	(36.5)	(41.4)
Treasury stock acquired (in shares)								(7.2)
Dividends on common stock ($0.15 per share)	(13.0)			(13.0)
Other	0.2			0.2
Ending Balance at Oct. 01, 2011	$ 1,119.7	$ 0.8	$ 519.1	$ 621.4	$ (21.8)	$ 0	$ 0.2
Ending Balance, Shares at Oct. 01, 2011								80.9