Condensed Consolidated Statements of Equity (Unaudited) - USD ($) $ in Millions		Total	Cumulative Effect, Period of Adoption, Adjustment	[2]	Common Stock	Additional Paid-in Capital	Additional Paid-in Capital Cumulative Effect, Period of Adoption, Adjustment	[2]	Treasury Stock	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	[2]	Accumulated Other Comprehensive Income (Loss)	Non-controlling Interests
Beginning balance at Dec. 31, 2019		$ 1,232.4			$ 0.4	$ 762.8			$ 0.0	$ 500.3			$ (35.9)	$ 4.8
Beginning balance (shares) at Dec. 31, 2019					35,800,000
Increase (Decrease) in Stockholders' Equity
Net income		8.5								8.5
Other comprehensive income (loss)		(9.9)											(9.9)
Share-based compensation expense		2.9				2.9
Common stock issued from share-based compensation plans		2.0				2.0
Common stock issued from share-based compensation plans (shares)					160,000
Common stock repurchases	[1]	(19.3)							(19.3)
Common stock repurchases from share-based compensation plans		(1.7)				(1.7)
Common stock repurchases from share-based compensation plans (in shares)					(10,000.00)
Ending balance at Mar. 31, 2020		1,214.9			$ 0.4	766.0			(19.3)	508.8			(45.8)	4.8
Ending balance (shares) at Mar. 31, 2020					35,950,000
Beginning balance at Dec. 31, 2019		1,232.4			$ 0.4	762.8			0.0	500.3			(35.9)	4.8
Beginning balance (shares) at Dec. 31, 2019					35,800,000
Increase (Decrease) in Stockholders' Equity
Net income		29.5
Ending balance at Jun. 30, 2020		1,246.4			$ 0.4	768.6			(19.3)	528.9			(37.9)	5.7
Ending balance (shares) at Jun. 30, 2020					35,990,000
Beginning balance at Mar. 31, 2020		1,214.9			$ 0.4	766.0			(19.3)	508.8			(45.8)	4.8
Beginning balance (shares) at Mar. 31, 2020					35,950,000
Increase (Decrease) in Stockholders' Equity
Net income		21.0								20.1				0.9
Other comprehensive income (loss)		7.9											7.9
Share-based compensation expense		2.0				2.0
Common stock issued from share-based compensation plans		0.6				0.6
Common stock issued from share-based compensation plans (shares)					40,000.00
Ending balance at Jun. 30, 2020		1,246.4			$ 0.4	768.6			(19.3)	528.9			(37.9)	5.7
Ending balance (shares) at Jun. 30, 2020					35,990,000
Beginning balance at Dec. 31, 2020		$ 1,579.3	$ (26.2)		$ 0.4	780.8	$ (36.9)		(19.3)	808.4	$ 10.7		2.4	6.6
Beginning balance (shares) at Dec. 31, 2020		36,185,829			36,190,000
Increase (Decrease) in Stockholders' Equity
Net income		$ 26.1								25.6				0.5
Other comprehensive income (loss)		(19.2)											(19.2)
Share-based compensation expense		3.4				3.4
Common stock issued from share-based compensation plans		5.6				5.6
Common stock issued from share-based compensation plans (shares)					180,000
Common stock repurchases from share-based compensation plans		(3.0)				(3.0)
Common stock repurchases from share-based compensation plans (in shares)					(20,000.00)
Other		0.0				0.1								(0.1)
Ending balance at Mar. 31, 2021		1,566.0			$ 0.4	750.0			(19.3)	844.7			(16.8)	7.0
Ending balance (shares) at Mar. 31, 2021					36,350,000
Beginning balance at Dec. 31, 2020		$ 1,579.3	$ (26.2)		$ 0.4	780.8	$ (36.9)		(19.3)	808.4	$ 10.7		2.4	6.6
Beginning balance (shares) at Dec. 31, 2020		36,185,829			36,190,000
Increase (Decrease) in Stockholders' Equity
Net income		$ 32.9
Ending balance at Jun. 30, 2021		$ 1,583.8			$ 0.4	753.3			(19.3)	851.2			(9.2)	7.4
Ending balance (shares) at Jun. 30, 2021		36,375,301			36,380,000
Beginning balance at Mar. 31, 2021		$ 1,566.0			$ 0.4	750.0			(19.3)	844.7			(16.8)	7.0
Beginning balance (shares) at Mar. 31, 2021					36,350,000
Increase (Decrease) in Stockholders' Equity
Net income		6.8								6.5				0.3
Other comprehensive income (loss)		7.6											7.6
Share-based compensation expense		2.4				2.4
Common stock issued from share-based compensation plans		0.9				0.9
Common stock issued from share-based compensation plans (shares)					30,000.00
Other		0.1												0.1
Ending balance at Jun. 30, 2021		$ 1,583.8			$ 0.4	$ 753.3			$ (19.3)	$ 851.2			$ (9.2)	$ 7.4
Ending balance (shares) at Jun. 30, 2021		36,375,301			36,380,000

[1] Includes $19.3 in shares repurchased through our share repurchase program. On March 11, 2021, the share repurchase program expired with no further repurchases. Refer to Note 1, “Basis of Preparation” for further information.

[2] Refer to Note 1, “ Basis of Preparation” for discussion regarding the cumulative effect of change in accounting principle.