Condensed Consolidated Statements Of Earnings And Comprehensive Income (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Condensed Consolidated Statements Of Earnings And Comprehensive Income [Abstract]
Net sales	$ 551.4	$ 590.0
Cost of goods sold	421.9	447.9
Gross profit	129.5	142.1
Selling, general and administrative expenses	103.0	103.1
Separation costs	4.3
Equity earnings from joint venture	(13.6)	(14.8)
Operating income	35.8	53.8
Interest expense	11.2	11.6
Other non-operating expense	1.3	5.4
Other non-operating (income)	(0.6)	(0.6)
Earnings from continuing operations before income taxes	23.9	37.4
Income tax expense	20.1	19.3
Earnings from continuing operations	3.8	18.1
Net loss from discontinued operations, net of tax benefit of ($-) and ($-)		(1.2)
Earnings from disposal of discontinued business, net of tax benefit of ($43.4) and ($-)	42.8
Net earnings (loss) from discontinued operations	42.8	(1.2)
Net earnings	46.6	16.9
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(15.3)	(0.4)
Derivative loss	(0.5)	(0.6)
Pension and postretirement adjustments	11.9	7.1
Total other comprehensive (loss) income	(3.9)	6.1
Total comprehensive income	$ 42.7	$ 23.0
Earnings per share of common stock, continuing operations:
Basic	$ 0.07	$ 0.33
Diluted	$ 0.07	$ 0.33
Earnings (loss) per share of common stock, discontinued operations:
Basic	$ 0.77	$ (0.02)
Diluted	$ 0.76	$ (0.02)
Net earnings per share of common stock:
Basic	$ 0.84	$ 0.31
Diluted	$ 0.83	$ 0.30
Average number of common shares outstanding:
Basic	55.3	54.8
Diluted	55.7	55.3