Equity (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2016	Apr. 02, 2015	Dec. 31, 2015
Derivatives, Fair Value [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ (168.5)		$ (160.5)
Basic EPS
Income available to common shareholders	$ 171.5	$ 181.7
Income available to common shareholders, shares	131.6	138.9
Income available to common shareholders, per share amount	$ 1.30	$ 1.31
Income allocated to participating securities	$ 0.1	$ 0.2
Income allocated to participating securities, shares	0.1	0.1
Net income	$ 171.6	$ 181.9
Diluted potential common shares	1.0	1.4
Diluted EPS
Net income	$ 171.6	$ 181.9
Shares	132.7	140.4
Per share amount	$ 1.29	$ 1.30
Equity Textuals [Abstract]
Common shares, outstanding	132.5	141.7
Common shares outstanding issued but unvested	2.2	2.8
Noncontrolling interest	$ 0.5		0.5
Pension [Member]
Derivatives, Fair Value [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(121.0)		(121.5)
SERP and Retiree medical [Member]
Derivatives, Fair Value [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	6.0		6.1
Foreign currency impact on long term intercompany loan [Member]
Derivatives, Fair Value [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(10.3)		(9.2)
Currency translation adjustment [Member]
Derivatives, Fair Value [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(43.2)		(35.5)
Interest Rate Swap [Member]
Derivatives, Fair Value [Line Items]
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax	$ 0.0		$ (0.4)