Condensed Consolidated Statements of Changes in Stockholders’ Equity - USD ($) $ in Millions	Total	Common stock	Treasury shares	Additional paid-in capital	Retained earnings	Accumulated other comprehensive loss
Beginning balance (in shares) at Dec. 31, 2020		60,487,117
Beginning balance at Dec. 31, 2020	$ 181.0	$ 85.3	$ (8.5)	$ 68.5	$ 84.4	$ (48.7)
Increase (Decrease) in Stockholders' Equity
Net income (loss)	23.5				23.5
Other comprehensive income (loss)	(2.7)					(2.7)
Share based compensation	1.0			1.0
Issuance of stock under equity compensation plans (in shares)		103,409
Issuance of stock under equity compensation plans	0.0		1.2	(1.2)
Ending balance (in shares) at Mar. 31, 2021		60,590,526
Ending balance at Mar. 31, 2021	202.8	$ 85.3	(7.3)	68.3	107.9	(51.4)
Beginning balance (in shares) at Dec. 31, 2020		60,487,117
Beginning balance at Dec. 31, 2020	181.0	$ 85.3	(8.5)	68.5	84.4	(48.7)
Increase (Decrease) in Stockholders' Equity
Net income (loss)	133.6
Other comprehensive income (loss)	(5.2)
Ending balance (in shares) at Sep. 30, 2021		60,633,302
Ending balance at Sep. 30, 2021	312.7	$ 85.3	(6.5)	69.8	218.0	(53.9)
Beginning balance (in shares) at Mar. 31, 2021		60,590,526
Beginning balance at Mar. 31, 2021	202.8	$ 85.3	(7.3)	68.3	107.9	(51.4)
Increase (Decrease) in Stockholders' Equity
Net income (loss)	89.1				89.1
Other comprehensive income (loss)	9.0					9.0
Share based compensation	1.2			1.2
Ending balance (in shares) at Jun. 30, 2021		60,590,526
Ending balance at Jun. 30, 2021	302.1	$ 85.3	(7.3)	69.5	197.0	(42.4)
Increase (Decrease) in Stockholders' Equity
Net income (loss)	21.0				21.0
Other comprehensive income (loss)	(11.5)					(11.5)
Share based compensation	1.1			1.1
Issuance of stock under equity compensation plans (in shares)		42,776
Issuance of stock under equity compensation plans	0.0		0.8	(0.8)
Ending balance (in shares) at Sep. 30, 2021		60,633,302
Ending balance at Sep. 30, 2021	$ 312.7	$ 85.3	(6.5)	69.8	218.0	(53.9)
Beginning balance (in shares) at Dec. 31, 2021	60,656,076	60,656,076
Beginning balance at Dec. 31, 2021	$ 319.7	$ 85.3	(6.3)	71.4	217.8	(48.5)
Increase (Decrease) in Stockholders' Equity
Net income (loss)	32.5				32.5
Other comprehensive income (loss)	24.9					24.9
Dividends	(1.2)				(1.2)
Share based compensation	1.5			1.5
Ending balance (in shares) at Mar. 31, 2022		60,656,076
Ending balance at Mar. 31, 2022	$ 377.4	$ 85.3	(6.3)	72.9	249.1	(23.6)
Beginning balance (in shares) at Dec. 31, 2021	60,656,076	60,656,076
Beginning balance at Dec. 31, 2021	$ 319.7	$ 85.3	(6.3)	71.4	217.8	(48.5)
Increase (Decrease) in Stockholders' Equity
Net income (loss)	94.0
Other comprehensive income (loss)	$ 17.8
Ending balance (in shares) at Sep. 30, 2022	60,815,588	60,815,588
Ending balance at Sep. 30, 2022	$ 430.7	$ 85.3	(4.7)	74.0	306.8	(30.7)
Beginning balance (in shares) at Mar. 31, 2022		60,656,076
Beginning balance at Mar. 31, 2022	377.4	$ 85.3	(6.3)	72.9	249.1	(23.6)
Increase (Decrease) in Stockholders' Equity
Net income (loss)	29.7				29.7
Other comprehensive income (loss)	(10.2)					(10.2)
Dividends	(2.5)				(2.5)
Share based compensation	1.6			1.6
Issuance of stock under equity compensation plans (in shares)		93,189
Issuance of stock under equity compensation plans	(0.8)		1.6	(2.4)
Ending balance (in shares) at Jun. 30, 2022		60,749,265
Ending balance at Jun. 30, 2022	395.2	$ 85.3	(4.7)	72.1	276.3	(33.8)
Increase (Decrease) in Stockholders' Equity
Net income (loss)	31.8				31.8
Other comprehensive income (loss)	3.1					3.1
Dividends	(1.3)				(1.3)
Share based compensation	1.9			1.9
Issuance of stock under equity compensation plans (in shares)		66,323
Issuance of stock under equity compensation plans	$ 0.0
Ending balance (in shares) at Sep. 30, 2022	60,815,588	60,815,588
Ending balance at Sep. 30, 2022	$ 430.7	$ 85.3	$ (4.7)	$ 74.0	$ 306.8	$ (30.7)