EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Earnings per share
Income (loss) from continuing operations	$ 81.8	$ 47.5	$ 208.2	$ 159.5
Gain (loss) on disposition of discontinued operations – net of tax	0.0	0.6	(0.4)	2.6
Net income (loss)	$ 81.8	$ 48.1	$ 207.8	$ 162.1
Basic shares:
Weighted average shares outstanding - basic (in shares)	67.8	69.8	68.8	69.7
Earnings (loss) per share – basic:
Income (loss) from continuing operations	$ 1.21	$ 0.68	$ 3.03	$ 2.29
Gain (loss) on disposition of discontinued operations – net of tax		0.01	(0.01)	0.04
Net income (loss)	$ 1.21	$ 0.69	$ 3.02	$ 2.33
Diluted shares:
Weighted average shares outstanding - basic (in shares)	67.8	69.8	68.8	69.7
Effect of dilutive securities:
Stock options and restricted stock awards (in shares)	0.6	1.1	0.8	1.1
Diluted weighted average shares outstanding (in shares)	68.4	70.9	69.6	70.8
Earnings (loss) per share – diluted:
Income (loss) from continuing operations	$ 1.20	$ 0.67	$ 2.99	$ 2.25
Gain (loss) on disposition of discontinued operations – net of tax		0.01		0.04
Net income (loss)	$ 1.20	$ 0.68	$ 2.99	$ 2.29
Restricted Stock
Earnings (loss) per share – diluted:
Antidilutive securities excluded from computation of earnings per share (in shares)	0.5	0.1	0.6	0.1