CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Millions	Common stock	Additional paid-in capital	Retained deficit	Accumulated other comprehensive loss	Treasury Stock	Total
Beginning Balance at Dec. 31, 2020	$ 1.2	$ 1,395.3	$ (151.8)	$ (448.2)		$ 796.5
Net Income (Loss)			112.9			112.9
Other comprehensive income (loss), net of tax				44.1		44.1
Issuance of common stock		0.1				0.1
Dividends paid			(83.2)			(83.2)
Treasury stock acquired					$ (0.2)	(0.2)
Ending Balance at Dec. 31, 2021	1.2	1,395.4	(122.1)	(404.1)	(0.2)	870.2
Net Income (Loss)			104.5			104.5
Other comprehensive income (loss), net of tax				72.6		72.6
Issuance of common stock		0.2				0.2
Dividends paid			(87.8)			(87.8)
Treasury stock acquired					(2.5)	(2.5)
Treasury stock retired		(1.3)			1.3
Ending Balance at Dec. 31, 2022	1.2	1,394.3	(105.4)	(331.5)	(1.4)	957.2
Net Income (Loss)			(49.1)			(49.1)
Other comprehensive income (loss), net of tax				(9.6)		(9.6)
Issuance of common stock		0.1				0.1
Dividends paid			(87.5)			(87.5)
Treasury stock acquired					(2.8)	(2.8)
Treasury stock retired		(4.2)			$ 4.2
Ending Balance at Dec. 31, 2023	$ 1.2	$ 1,390.2	$ (242.0)	$ (341.1)		$ 808.3