Consolidated Statements of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Income Statement [Abstract]
Net sales	$ 868.0	$ 809.7	$ 2,449.5	$ 2,264.5
Cost of goods sold	630.6	604.8	1,796.1	1,710.6
Gross profit	237.4	204.9	653.4	553.9
Operating Expenses:
Selling, general and administrative expenses	136.9	125.9	424.0	379.8
Losses (gains) and other expenses, net	(0.3)	0.3	2.8	0.2
Restructuring charges	0.3	0.4	3.2	3.1
Income from equity method investments	(3.3)	(2.6)	(10.7)	(8.8)
Operational income from continuing operations	103.8	80.9	234.1	179.6
Interest expense, net	3.8	4.4	10.8	13.4
Other expense (income), net	0	0	(0.1)	0.1
Income from continuing operations before income taxes	100.0	76.5	223.4	166.1
Provision for income taxes	34.2	26.8	77.5	57.6
Income from continuing operations	65.8	49.7	145.9	108.5
Discontinued Operations:
Loss from discontinued operations before income taxes	(2.3)	(24.6)	(15.7)	(57.2)
Benefit from income taxes	(0.8)	(4.3)	(6.4)	(16.7)
Loss from discontinued operations	(1.5)	(20.3)	(9.3)	(40.5)
Net income	$ 64.3	$ 29.4	$ 136.6	$ 68.0
Earnings per share – Basic:
Income from continuing operations	$ 1.32	$ 0.98	$ 2.92	$ 2.13
Loss from discontinued operations	$ (0.03)	$ (0.40)	$ (0.19)	$ (0.79)
Net income	$ 1.29	$ 0.58	$ 2.73	$ 1.34
Earnings per share – Diluted:
Income from continuing operations	$ 1.30	$ 0.97	$ 2.87	$ 2.11
Loss from discontinued operations	$ (0.03)	$ (0.40)	$ (0.18)	$ (0.79)
Net income	$ 1.27	$ 0.57	$ 2.69	$ 1.32
Average shares outstanding:
Basic	49.7	50.6	50.0	50.8
Diluted	50.5	51.3	50.8	51.5
Cash dividends declared per share	$ 0.24	$ 0.20	$ 0.68	$ 0.56