CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Millions	Total	Common Stock	Treasury Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Dec. 31, 2020		18,746
Beginning balance at Dec. 31, 2020	$ 367.6	$ 0.2	$ (87.6)	$ 338.3	$ 220.4	$ (103.7)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	8.3				8.3
Other comprehensive income (loss), including income taxes	(7.4)					(7.4)
Dividends declared	(8.0)				(8.0)
Stock options exercised (in shares)		3
Restricted stock vesting (Note 9) (in shares)		16
Restricted stock vesting (Note 7)	(0.4)		(0.4)
Stock-based compensation (Note 7)	1.5			1.5
Ending balance (in shares) at Mar. 31, 2021		18,765
Ending balance at Mar. 31, 2021	361.6	$ 0.2	(88.0)	339.8	220.7	(111.1)
Beginning balance (in shares) at Dec. 31, 2021		18,819
Beginning balance at Dec. 31, 2021	316.0	$ 0.2	(93.6)	342.9	163.4	(96.9)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	5.7				5.7
Other comprehensive income (loss), including income taxes	(7.1)					(7.1)
Dividends declared	(8.2)				(8.2)
Stock options exercised (in shares)		2
Restricted stock vesting (Note 9) (in shares)		11
Restricted stock vesting (Note 7)	(0.2)		(0.2)
Stock-based compensation (Note 7)	1.6			1.6
Ending balance (in shares) at Mar. 31, 2022		18,832
Ending balance at Mar. 31, 2022	$ 307.8	$ 0.2	$ (93.8)	$ 344.5	$ 160.9	$ (104.0)