EQUITY - Schedule of Change in Equity (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended		12 Months Ended
	Feb. 12, 2021	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance			$ 427.6	$ 427.6
Net earnings (loss)		$ (1.9)	10.9
Other comprehensive loss		$ (4.3)	(23.9)
Stock-based compensation, net			1.6
Dividends declared common stock			(8.5)
Purchase of common stock			(4.0)
Ending balance			$ 403.7
Dividends declared (in dollars per share)		$ 0.06	$ 0.17
Purchase of common stock, shares (in shares)		277,043	154,012
MBRSUs, reduced number of shares earned, percentage	50.00%
Plan modification, incremental cost		$ 0.7
Restricted Stock Units (RSUs)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Award performance period	2 years			3 years
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance		0.5	$ 0.5	$ 0.5
Ending balance		0.5	0.5	0.5
Additional Paid-In Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance		75.4	66.8	66.8
Stock-based compensation, net		4.2	1.6
Dividends declared on preferred stock		0.0
Purchase of common stock		(4.4)	(4.0)
Ending balance		75.2	64.4	75.4
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance		417.7	429.7	429.7
Net earnings (loss)		(1.9)	10.9
Dividends declared on preferred stock		(1.8)
Dividends declared common stock		(3.1)	(8.5)
Ending balance		410.9	432.1	417.7
Accumulated Other Comprehensive Loss
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance		(45.8)	(69.4)	(69.4)
Other comprehensive loss		(4.3)	(23.9)
Ending balance		(50.1)	$ (93.3)	(45.8)
Total Equity
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance		447.8
Net earnings (loss)		(1.9)
Other comprehensive loss		(4.3)
Stock-based compensation, net		4.2
Dividends declared on preferred stock		(1.8)
Dividends declared common stock		(3.1)
Purchase of common stock		(4.4)
Ending balance		$ 436.5		$ 447.8