EQUITY - Schedule of Change in Equity (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended						9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance				$ 408.4	$ 392.8	$ 386.5		$ 386.5
Net earnings	$ 7.0			17.5	21.7	18.0	$ 8.3	57.1
Other comprehensive (loss) income	$ 17.2			(14.0)		(3.6)	2.0	(17.6)
Stock-based compensation, net				3.1	2.4	2.2
Dividends declared common stock				(8.6)	(8.6)	(7.5)
Purchase of common stock				(0.3)		(3.0)
Other					0.1	0.2
Ending balance				$ 406.1	$ 408.4	392.8		406.1
Dividends declared (in dollars per share)	$ 0.06	$ 0.04	$ 0.17	$ 0.17	$ 0.15
Purchase of common stock, shares (in shares)	3,631	3,130	154,012		141,738
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 0.5	$ 0.5	$ 0.5	$ 0.5	$ 0.5	0.5	0.5	0.5
Ending balance	0.5	0.5	0.5	0.5	0.5	0.5	0.5	0.5
Additional Paid-In Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	67.7	64.4	66.8	60.9	58.4	58.8	66.8	58.8
Stock-based compensation, net	3.8	3.3	1.6	3.1	2.4	2.2
Purchase of common stock			(4.0)	(0.3)		(3.0)
Other					0.1	0.4
Ending balance	71.5	67.7	64.4	63.7	60.9	58.4	71.5	63.7
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	421.1	432.1	429.7	419.0	405.9	395.4	429.7	395.4
Net earnings	7.0	(9.6)	10.9	17.5	21.7	18.0
Dividends declared common stock	(3.5)	(1.4)	(8.5)	(8.6)	(8.6)	(7.5)
Dividends declared on preferred stock	(1.4)
Ending balance	423.2	421.1	432.1	427.9	419.0	405.9	423.2	427.9
Accumulated Other Comprehensive Loss
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(84.6)	(93.3)	(69.4)	(72.0)	(72.0)	(68.4)	(69.4)	(68.4)
Other comprehensive (loss) income	17.2	8.7	(23.9)	(14.0)		(3.6)
Ending balance	(67.4)	(84.6)	(93.3)	(86.0)	(72.0)	(72.0)	(67.4)	(86.0)
Total Equity
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	404.7	403.7	427.6	408.4	392.8	386.3	427.6	386.3
Net earnings	7.0	(9.6)	10.9	17.5	21.7	18.0
Other comprehensive (loss) income	17.2	8.7	(23.9)	(14.0)		(3.6)
Stock-based compensation, net	3.8	3.3	1.6	3.1	2.4	2.2
Dividends declared common stock	(3.5)	(1.4)	(8.5)	(8.6)	(8.6)	(7.5)
Dividends declared on preferred stock	(1.4)
Purchase of common stock			(4.0)	(0.3)		(3.0)
Other					0.1	0.4
Ending balance	$ 427.8	$ 404.7	$ 403.7	406.1	408.4	392.8	$ 427.8	406.1
Noncontrolling Interest
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance				0.0	0.0	0.2		0.2
Other						(0.2)
Ending balance				$ 0.0	$ 0.0	$ 0.0		$ 0.0