Consolidated Statements of Earnings and Comprehensive Income (Loss) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Statement [Abstract]
Net sales	$ 1,234.5	$ 1,231.3	$ 1,294.3
Cost of goods sold	863.3	854.9	911.2
Gross profit	371.2	376.4	383.1
Selling, general and administrative expenses	225.2	267.7	250.1
Separation costs	34.5	34.3
Equity earnings from joint venture	(73.1)	(66.1)	(65.1)
Operating income	184.6	140.5	198.1
Interest expense	49.8	45.3	46.0
Other non-operating expense	0.1	20.1	5.9
Other non-operating (income)	(9.6)	(5.0)	(2.2)
Earnings from continuing operations before income taxes	144.3	80.1	148.4
Income tax expense	50.4	53.5	69.3
Earnings from continuing operations	93.9	26.6	79.1
Net (loss) gain from discontinued operations, net of tax expense of $0.1, $17.8 and $13.9	(4.5)	26.0	(0.8)
Gain (loss) on disposal of discontinued business, net of tax (benefit) of ($15.2), ($41.8) and ($2.5)	15.3	41.6	(14.5)
Net gain (loss) from discontinued operations	10.8	67.6	(15.3)
Net earnings	104.7	94.2	63.8
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(33.2)	(25.5)	(29.6)
Derivative gain (loss)	7.5	0.7	(3.3)
Pension and postretirement adjustments	49.3	32.9	(91.0)
Total other comprehensive income (loss)	23.6	8.1	(123.9)
Total comprehensive income (loss)	$ 128.3	$ 102.3	$ (60.1)
Earnings per share of common stock, continuing operations:
Basic	$ 1.69	$ 0.48	$ 1.43
Diluted	1.68	0.47	1.42
Earnings (loss) per share of common stock, discontinued operations:
Basic	0.19	1.21	(0.28)
Diluted	0.19	1.21	(0.28)
Net earnings per share of common stock:
Basic	1.88	1.69	1.15
Diluted	$ 1.87	$ 1.68	$ 1.14
Average number of common shares outstanding:
Basic	55.4	55.5	55.0
Diluted	55.7	55.9	55.4