CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Net sales	$ 239.7	$ 266.5
Cost of products sold	196.0	214.1
Gross profit	43.7	52.4
Selling, general and administrative expenses	25.3	26.8
SERP settlement loss (Note 7)	0.0	0.8
Other expense - net	1.0	0.7
Operating income	17.4	24.1
Interest expense - net	3.2	3.3
Income from continuing operations before income taxes	14.2	20.8
Provision for income taxes	2.4	4.6
Net income	$ 11.8	$ 16.2
Earnings Per Common Share
Basic (in dollars per share)	$ 0.70	$ 0.96
Diluted (in dollars per share)	$ 0.69	$ 0.95
Weighted Average Common Shares Outstanding (in thousands)
Basic (in shares)	16,862	16,847
Diluted (in shares)	16,921	17,006
Cash dividends declared per share of common stock (in usd per share)	$ 0.45	$ 0.41