Condensed Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions		3 Months Ended
		Apr. 03, 2016	Mar. 29, 2015
Income Statement [Abstract]
Net sales	[1]	$ 530.5	$ 565.0
Costs and expenses
Cost of sales		324.8	345.9
Selling, general and administrative expenses		144.7	151.8
Total costs and expenses		469.5	497.7
Operating income		61.0	67.3
Interest expense, net		(5.7)	(5.9)
Other income (expense), net		(1.3)	0.8
Income before income taxes		54.0	62.2
Provision for income taxes		15.6	18.5
Net income		$ 38.4	$ 43.7
Basic earnings per common share (in USD per share)		$ 1.12	$ 1.22
Weighted average common shares outstanding (in shares)		34.4	35.7
Diluted earnings per common share (in USD per share)		$ 1.10	$ 1.20
Weighted average diluted common shares outstanding (in shares)		34.9	36.5

[1] (a)Net sales excludes inter-segment sales of $5.1 million and $4.9 million for the first quarter of 2016 and 2015, respectively.