Consolidated Statements of Equity - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Non Controlling Interest
Beginning balance (in shares) at Dec. 31, 2021		60.4
Beginning balance at Dec. 31, 2021	$ 1,226.3	$ 0.6	$ 1,143.8	$ 157.3	$ (77.4)	$ 2.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Employee stock compensation (in shares)		0.4
Employee stock compensation	28.8		28.8
Deferred compensation	(0.2)		(1.5)	1.3
Proceeds from stock issuances under employee plans (in shares)		0.2
Proceeds from stock issuances under employee plans	17.8		17.8
Cash dividends declared	(76.0)			(76.0)
Repurchase and retirement of common shares (in shares)		(1.5)
Repurchase and retirement of common shares	(172.3)		(27.5)	(144.8)
Net income (loss)	65.5			65.3		0.2
Other comprehensive loss	(16.3)				(16.3)
Ending balance (in shares) at Jun. 30, 2022		59.5
Ending balance at Jun. 30, 2022	1,073.6	$ 0.6	1,161.4	3.1	(93.7)	2.2
Beginning balance (in shares) at Mar. 31, 2022		59.5
Beginning balance at Mar. 31, 2022	1,120.6	$ 0.6	1,142.8	45.0	(69.8)	2.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Employee stock compensation	15.5		15.5
Deferred compensation			(0.8)	0.8
Proceeds from stock issuances under employee plans	3.9		3.9
Cash dividends declared	(38.1)			(38.1)
Net income (loss)	(4.4)			(4.6)		0.2
Other comprehensive loss	(23.9)				(23.9)
Ending balance (in shares) at Jun. 30, 2022		59.5
Ending balance at Jun. 30, 2022	1,073.6	$ 0.6	1,161.4	3.1	(93.7)	2.2
Beginning balance (in shares) at Dec. 31, 2022		57.0
Beginning balance at Dec. 31, 2022	1,101.5	$ 0.6	1,152.1	33.8	(87.5)	2.5
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Employee stock compensation (in shares)		0.3
Employee stock compensation	29.6		29.6
Deferred compensation	(3.0)		(0.5)	(2.5)
Proceeds from stock issuances under employee plans (in shares)		0.2
Proceeds from stock issuances under employee plans	23.8		23.8
Cash dividends declared	(73.9)			(73.9)
Repurchase and retirement of common shares (in shares)		(0.9)
Repurchase and retirement of common shares	(101.1)		(18.1)	(83.0)
Net income (loss)	247.9			247.7		0.2
Other comprehensive loss	24.4				24.4
Ending balance (in shares) at Jun. 30, 2023		56.6
Ending balance at Jun. 30, 2023	1,249.2	$ 0.6	1,186.9	122.1	(63.1)	2.7
Beginning balance (in shares) at Mar. 31, 2023		56.9
Beginning balance at Mar. 31, 2023	1,154.8	$ 0.6	1,168.9	57.3	(74.7)	2.7
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Employee stock compensation	14.9		14.9
Deferred compensation	(1.8)		(0.4)	(1.4)
Proceeds from stock issuances under employee plans (in shares)		0.1
Proceeds from stock issuances under employee plans	10.6		10.6
Cash dividends declared	(36.9)			(36.9)
Repurchase and retirement of common shares (in shares)		(0.4)
Repurchase and retirement of common shares	(38.3)		(7.1)	(31.2)
Net income (loss)	134.3			134.3
Other comprehensive loss	11.6				11.6
Ending balance (in shares) at Jun. 30, 2023		56.6
Ending balance at Jun. 30, 2023	$ 1,249.2	$ 0.6	$ 1,186.9	$ 122.1	$ (63.1)	$ 2.7