Consolidated Statements of Shareholders' Equity and Comprehensive income (USD $) In Millions, unless otherwise specified	Total	Common Stock [Member]	Treasury Stock [Member]	Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Comprehensive Income [Member]
Beginning balance at Dec. 27, 2008	$ 474.0	$ 0.6	$ (1.6)	$ 56.4	$ 743.2	$ (324.6)
Beginning balance, shares at Dec. 27, 2008		62.4	0.1
Net income	175.1				175.1		175.1
Other comprehensive income:
Foreign currency translation adjustments	57.5					57.5	57.5
Net deferred gains on cash flow hedges, net of tax	3.3					3.3	3.3
Pension and post retirement costs, net of tax	0.5					0.5	0.5
Comprehensive income							236.4
Cash dividends declared	(57.8)				(57.8)
Repurchase of common stock	(77.0)		(77.0)
Repurchase of common stock, shares	1.8
Income tax benefit from stock and option awards	16.2			16.2
Stock and options issued for incentive plans	45.9		51.8	18.5	(24.4)
Stock and options issued for incentive plans, shares		1.2	(1.3)
Ending balance at Dec. 26, 2009	637.7	0.6	(26.8)	91.1	836.1	(263.3)
Ending balance, shares at Dec. 26, 2009		63.6	0.6
Net income	225.6				225.6		225.6
Other comprehensive income:
Foreign currency translation adjustments	18.7					18.7	18.7
Net deferred gains on cash flow hedges, net of tax	2.6					2.6	2.6
Pension and post retirement costs, net of tax	(4.5)					(4.5)	(4.5)
Comprehensive income							242.4
Cash dividends declared	(66.6)				(66.6)
Repurchase of common stock	(60.3)		(60.3)
Repurchase of common stock, shares	1.3
Income tax benefit from stock and option awards	7.3			7.3
Stock and options issued for incentive plans	29.3		45.6	9.6	(25.9)
Stock and options issued for incentive plans, shares			(1.0)
Ending balance at Dec. 25, 2010	789.8	0.6	(41.5)	108.0	969.2	(246.5)
Ending balance, shares at Dec. 25, 2010		63.6	0.9
Net income	218.3				218.3		218.3
Other comprehensive income:
Foreign currency translation adjustments	(54.2)					(54.2)	(54.2)
Net deferred gains on cash flow hedges, net of tax	14.5					14.5	14.5
Pension and post retirement costs, net of tax	(9.3)					(9.3)	(9.3)
Comprehensive income							169.3
Cash dividends declared	(72.5)				(72.5)
Repurchase of common stock	(426.1)		(426.1)
Repurchase of common stock, shares	7.1
Income tax benefit from stock and option awards	9.3			9.3
Stock and options issued for incentive plans	31.0		44.8	9.5	(23.3)
Stock and options issued for incentive plans, shares			(0.9)
Ending balance at Dec. 31, 2011	$ 500.8	$ 0.6	$ (422.8)	$ 126.8	$ 1,091.7	$ (295.5)
Ending balance, shares at Dec. 31, 2011		63.6	7.1