Consolidated Statements Of Earnings And Comprehensive Income (Loss) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2015		Dec. 31, 2014		Dec. 31, 2013
Consolidated Statements Of Earnings And Comprehensive Income (Loss) [Abstract]
Net sales	$ 2,420.0		$ 2,515.3		$ 2,527.4
Cost of goods sold	1,817.2		1,932.0		1,934.4
Gross profit	602.8		583.3		593.0
Selling, general and administrative expenses	447.2		398.5		386.9
Separation costs	34.3
Intangible asset impairments			10.8
Restructuring charges, net					(0.1)
Equity earnings from joint venture	(66.1)		(65.1)		(59.4)
Operating income	187.4		239.1		265.6
Interest expense	45.3		46.0		68.7
Other non-operating expense	23.5		10.5		2.0
Other non-operating (income)	(5.3)		(2.6)		(3.8)
Earnings from continuing operations before income taxes	123.9		185.2		198.7
Income tax expense	71.3		83.2		71.4
Earnings from continuing operations	52.6		102.0		127.3
Net (loss) from discontinued operations, net of tax benefit of ($-), ($-) and ($-)			(23.7)		(26.8)
Gain (loss) on disposal of discontinued business, net of tax benefit of ($41.8), ($2.5) and ($3.6)	41.6		(14.5)		(6.4)
Net gain (loss) from discontinued operations	41.6		(38.2)		(33.2)
Net earnings	94.2		63.8		94.1
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(25.5)		(29.6)		(8.8)
Derivative gain (loss)	0.7		(3.3)		18.5
Pension and postretirement adjustments	32.9		(91.0)		90.1
Total other comprehensive income (loss)	8.1	[1]	(123.9)	[1]	99.8
Total comprehensive income (loss)	$ 102.3		$ (60.1)		$ 193.9
Earnings per share of common stock, continuing operations:
Basic	$ 0.95		$ 1.85		$ 2.19
Diluted	0.94		1.83		2.17
Earnings (loss) per share of common stock, discontinued operations:
Basic	0.74		(0.70)		(0.57)
Diluted	0.74		(0.69)		(0.57)
Net earnings per share of common stock:
Basic	1.69		1.15		1.62
Diluted	$ 1.68		$ 1.14		$ 1.60
Average number of common shares outstanding:
Basic	55.5		55.0		57.8
Diluted	55.9		55.4		58.4

[1] Amounts are net of tax