Consolidated Statements of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Statement [Abstract]
Net sales	$ 898.4	$ 868.0	$ 2,554.6	$ 2,449.5
Cost of goods sold	651.3	630.6	1,876.7	1,796.1
Gross profit	247.1	237.4	677.9	653.4
Operating Expenses:
Selling, general and administrative expenses	140.9	136.9	425.5	424.0
Losses (gains) and other expenses, net	2.1	(0.3)	3.5	2.8
Restructuring charges	1.0	0.3	1.3	3.2
Income from equity method investments	(3.5)	(3.3)	(12.0)	(10.7)
Operational income from continuing operations	106.6	103.8	259.6	234.1
Interest expense, net	4.0	3.8	11.0	10.8
Other expense (income), net	0	0	0	(0.1)
Income from continuing operations before income taxes	102.6	100.0	248.6	223.4
Provision for income taxes	35.1	34.2	86.6	77.5
Income from continuing operations	67.5	65.8	162.0	145.9
Discontinued Operations:
Loss from discontinued operations before income taxes	(0.2)	(2.3)	(1.3)	(15.7)
Benefit from income taxes	(0.1)	(0.8)	(0.5)	(6.4)
Loss from discontinued operations	(0.1)	(1.5)	(0.8)	(9.3)
Net income	$ 67.4	$ 64.3	$ 161.2	$ 136.6
Earnings per share – Basic:
Income from continuing operations	$ 1.40	$ 1.32	$ 3.33	$ 2.92
Loss from discontinued operations	$ 0.00	$ (0.03)	$ (0.02)	$ (0.19)
Net income	$ 1.40	$ 1.29	$ 3.31	$ 2.73
Earnings per share – Diluted:
Income from continuing operations	$ 1.38	$ 1.30	$ 3.27	$ 2.87
Loss from discontinued operations	$ 0.00	$ (0.03)	$ (0.01)	$ (0.18)
Net income	$ 1.38	$ 1.27	$ 3.26	$ 2.69
Average shares outstanding:
Weighted Average Number of Shares Outstanding - Basic	48.3	49.7	48.7	50.0
Weighted Average Number of Shares Outstanding - Diluted	49.0	50.5	49.5	50.8
Cash dividends declared per share	$ 0.30	$ 0.24	$ 0.84	$ 0.68