Equity (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 26, 2013	Sep. 27, 2012	Sep. 26, 2013	Sep. 27, 2012	Dec. 31, 2012
Comprehensive Income
Income tax provision	$ 53.0	$ 88.3	$ 62.3	$ 39.4
Net income, Net of Tax	93.7	(134.4)	(34.5)	(25.9)
Basic EPS
Income available to common shareholders	92.7	(132.2)	(34.2)	(25.5)
Income available to common shareholders, share	141.4	140.1	141.2	139.8
Income available to common shareholders, per share amount	$ 0.66	$ (0.94)	$ (0.24)	$ (0.18)
Net Income Loss Available To Participating Securities	1.0	(2.2)	(0.3)	(0.4)
Income allocated to participating securities, shares	1.4	2.3	1.5	2.3
Net income	93.7	(134.4)	(34.5)	(25.9)
Diluted potential common shares	0.6	0	0	0
Diluted EPS
Net income, Net of Tax	93.7	(134.4)	(34.5)	(25.9)
Shares	143.4	140.1	141.2	139.8
Per share amount	$ 0.65	$ (0.94)	$ (0.24)	$ (0.18)
Earnings Per Share Potentially Dilutive Securities			0.7million
Equity Textuals [Abstract]
Common shares, outstanding	144.7	143.7	144.7	143.7
Common shares outstanding issued but unvested	3.2	2.7	3.2	2.7
Noncontrolling interest	0.5	0.5	0.5	0.5	0.5
Accumulated Other Comprehensive Income (Loss), Net of Tax	(147.1)		(147.1)		(145.2)
Accumulated Translation Adjustment [Member]
Equity Textuals [Abstract]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(8.7)		(8.7)		(7.1)
Accumulated Defined Benefit Plans Adjustment [Member]
Equity Textuals [Abstract]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(132.1)		(132.1)		(132.0)
Accumulated Net FX Gain Loss on LT Interco Loan Unrealized [Member]
Equity Textuals [Abstract]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(4.2)		(4.2)		(3.5)
Accumulated SERP And Retiree Medical [Member]
Equity Textuals [Abstract]
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ (2.1)		$ (2.1)		$ (2.6)