Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Net sales		$ 498.8	$ 490.0	$ 904.6	$ 849.8
Cost of products sold		336.4	321.2	614.7	570.1
Gross profit		162.4	168.8	289.9	279.7
Operating costs and expenses:
Selling, general and administrative expenses		100.0	104.2	201.8	198.4
Amortization of intangibles		8.5	9.0	17.8	17.0
Restructuring charges		2.1	12.3	6.8	13.8
Total operating costs and expenses		110.6	125.5	226.4	229.2
Operating income	[1]	51.8	43.3	63.5	50.5
Non-operating expense (income):
Interest expense		9.9	10.8	19.3	20.6
Interest income		(1.4)	(2.0)	(2.4)	(3.3)
Non-operating pension income		(2.3)	(2.1)	(4.5)	(4.2)
Other expense (income), net		1.6	(1.5)	1.0	(0.8)
Income before income tax		44.0	38.1	50.1	38.2
Income tax expense		18.3	14.6	14.0	11.1
Net income		$ 25.7	$ 23.5	$ 36.1	$ 27.1
Basic income per share:
Basic income per share		$ 0.24	$ 0.21	$ 0.34	$ 0.25
Diluted income per share:
Diluted income per share		$ 0.24	$ 0.21	$ 0.33	$ 0.24
Weighted average number of shares outstanding:
Basic		106.1	109.5	106.4	108.9
Diluted		108.0	111.9	109.0	112.1
Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract]
Dividends per common share		$ 0.06	$ 0.00	$ 0.12	$ 0.00

[1] Operating income as presented in the segment table above is defined as i) net sales; ii) less cost of products sold; iii) less selling, general and administrative expenses; iv) less amortization of intangibles; and v) less restructuring charges.