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Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Statement [Abstract]
Net sales	$ 270.1	$ 324.3	$ 556.2	$ 598.1
Cost of sales	199.8	235.3	411.1	438.8
Gross profit	70.3	89.0	145.1	159.3
Selling, engineering, general and administrative expenses	37.4	41.8	79.6	85.7
Acquisition and integration-related expenses	0.3	0.9	0.6	1.5
Restructuring	1.3	0.0	1.3	0.0
Operating income	31.3	46.3	63.6	72.1
Interest expense	1.8	2.0	3.3	4.0
Other expense (income), net	2.0	(0.1)	2.2	0.3
Income before income taxes	27.5	44.4	58.1	67.8
Income tax expense	6.1	11.6	13.3	17.5
Net income	$ 21.4	$ 32.8	$ 44.8	$ 50.3
Basic earnings per share:
Earnings per share (usd per share)	$ 0.36	$ 0.55	$ 0.74	$ 0.84
Diluted earnings per share:
Net earnings per share (usd per share)	$ 0.35	$ 0.54	$ 0.73	$ 0.82
Weighted average common shares outstanding:
Basic (shares)	60.1	60.1	60.3	60.1
Diluted (shares)	61.3	61.3	61.6	61.2

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