COMMON STOCK REPURCHASE PROGRAM (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Equity [Abstract]
Stock repurchased during period (in shares)	0	2,500,000	1,600,000	4,600,000
Stock repurchased during period		$ 55.0	$ 39.2	$ 108.5
Remaining authorization to repurchase common stock	$ 469.5		$ 469.5