Condensed Consolidated Statements Of Earnings And Comprehensive Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015		Sep. 30, 2014
Condensed Consolidated Statements Of Earnings And Comprehensive Income [Abstract]
Net sales	$ 658.5	$ 678.9	$ 1,842.6		$ 1,928.0
Cost of goods sold	480.6	510.9	1,377.3		1,470.9
Gross profit	177.9	168.0	465.3		457.1
Selling, general and administrative expenses	110.4	101.0	319.5		304.3
Separation costs	7.4		16.8
Goodwill impairment					0.8
Equity earnings from joint venture	(19.6)	(18.8)	(49.6)		(51.2)
Operating income	79.7	85.8	178.6		203.2
Interest expense	11.3	10.9	33.9		34.3
Other non-operating expense	14.0	2.6	15.5		9.2
Other non-operating (income)	(0.8)	(0.7)	(5.0)		(1.9)
Earnings from continuing operations before income taxes	55.2	73.0	134.2		161.6
Income tax expense	24.9	26.3	70.2		70.2
Earnings from continuing operations	30.3	46.7	64.0		91.4
Net loss from discontinued operations, net of tax benefit of ($-), ($-), ($-) and ($-)		(14.9)			(21.7)
Gain (loss) from disposal of discontinued business, net of tax benefit of ($0.7), ($-), ($44.1) and ($1.2)	1.5	(0.2)	44.0		(2.3)
Net earnings (loss) from discontinued operations	1.5	(15.1)	44.0		(24.0)
Net earnings	31.8	31.6	108.0		67.4
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments	(13.4)	(14.1)	(21.3)		(10.0)
Derivative gain (loss)	0.9	4.9	(0.2)		(1.3)
Pension and postretirement adjustments	11.1	8.5	32.2		21.3
Total other comprehensive (loss) income	(1.4)	(0.7)	10.7	[1]	10.0	[1]
Total comprehensive income	$ 30.4	$ 30.9	$ 118.7		$ 77.4
Earnings per share of common stock, continuing operations:
Basic	$ 0.54	$ 0.84	$ 1.14		$ 1.66
Diluted	0.54	0.84	1.14		1.64
Earnings (loss) per share of common stock, discontinued operations:
Basic	0.03	(0.27)	0.79		(0.44)
Diluted	0.03	(0.27)	0.78		(0.43)
Net earnings per share of common stock:
Basic	0.57	0.57	1.93		1.22
Diluted	$ 0.57	$ 0.57	$ 1.92		$ 1.21
Average number of common shares outstanding:
Basic	55.5	55.0	55.4		54.9
Diluted	55.9	55.5	55.8		55.4

[1] Amounts are net of tax