CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Common Stock in Treasury
Total stockholders' equity, Beginning of Period at Dec. 31, 2019	$ 932.3	$ 0.8	$ 824.4	$ 771.4	$ (257.5)	$ (406.8)
Shares oustanding, Beginning of Period (in shares) at Dec. 31, 2019		70.4
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(10.6)			(10.6)
Other comprehensive income (loss) – net of tax	49.1				49.1
Issuance of common stock related to compensation	29.1	$ 0.1	29.0
Issuance of common stock (in shares)		0.7
Compensation under stock-based plans – net	(12.0)		(15.7)			3.7
Compensation under stock-based plans – net (in shares)		0.1
Dividends	(8.4)		0.2	(8.6)
Acquisition of treasury stock (in shares)		(2.6)
Acquisition of treasury stock	(56.1)					(56.1)
Other	(1.9)			(1.9)
Shares outstanding, End of Period (in shares) at Dec. 31, 2020		68.6
Total stockholders' equity, End of Period at Dec. 31, 2020	921.5	$ 0.9	837.9	750.3	(208.4)	(459.2)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	220.9			220.9
Other comprehensive income (loss) – net of tax	(20.1)				(20.1)
Issuance of common stock related to compensation	12.2	$ 0.0	12.2
Issuance of common stock (in shares)		0.6
Compensation under stock-based plans – net	12.2		9.3			2.9
Compensation under stock-based plans – net (in shares)		0.1
Dividends	(33.5)		0.6	(34.1)
Acquisition of treasury stock (in shares)		(0.1)
Acquisition of treasury stock	(3.3)					(3.3)
Other	(0.3)			(0.2)		(0.1)
Shares outstanding, End of Period (in shares) at Dec. 31, 2021		69.2
Total stockholders' equity, End of Period at Dec. 31, 2021	1,109.6	$ 0.9	860.0	936.9	(228.5)	(459.7)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	300.0			300.0
Other comprehensive income (loss) – net of tax	(113.1)				(113.1)
Issuance of common stock related to compensation	18.7		18.7
Issuance of common stock (in shares)		0.6
Compensation under stock-based plans – net	3.3		2.3			1.0
Compensation under stock-based plans – net (in shares)		0.0
Dividends	(35.6)		0.6	(36.2)
Acquisition of treasury stock (in shares)		(3.0)
Acquisition of treasury stock	(101.6)					(101.6)
Other	(0.1)			(0.1)		0.0
Shares outstanding, End of Period (in shares) at Dec. 31, 2022		66.8
Total stockholders' equity, End of Period at Dec. 31, 2022	$ 1,181.2	$ 0.9	$ 881.6	$ 1,200.6	$ (341.6)	$ (560.3)