STOCKHOLDERS' EQUITY (Details) - USD ($) shares in Millions	12 Months Ended			70 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2019
Equity [Abstract]
Stock repurchase program, authorized amount	$ 600,000,000.0			$ 600,000,000.0
Repurchase of common stock (in shares)	0.3	0.8	0.9	5.9
Repurchases of common stock	$ 21,390,000	$ 45,080,000	$ 48,971,000	$ 315,300,000
Stock repurchase program, remaining authorized repurchase amount	$ 284,700,000			$ 284,700,000