TREASURY STOCK - Narrative (Details) - USD ($) $ / shares in Units, shares in Millions			1 Months Ended	6 Months Ended	12 Months Ended
	Jan. 12, 2022	Feb. 05, 2020	Jun. 30, 2020	Jun. 30, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 07, 2020
Equity, Class of Treasury Stock [Line Items]
Treasury stock outstanding (in shares)					4.9	4.9
Treasury stock					$ 234,400,000	$ 235,100,000
Treasury stock, average cost per share (in dollars per share)					$ 47.86	$ 47.86
Stock repurchase program, authorized amount (up to)								$ 225,000,000
Accelerated share repurchase program, receipt (payment)		$ (92,400,000)
Accelerated shares repurchased, amount						$ 100,000,000
Accelerated share repurchases, percentage of expected total repurchased		80.00%
Remaining amount under share repurchase		$ 100,000,000
Stock repurchased during period (in shares)		1.3	0.6			2.1
Net proceeds from offering of convertible senior notes					$ 0	$ 575,000,000	$ 0
Forecast
Equity, Class of Treasury Stock [Line Items]
Accelerated share repurchases, percentage of expected total repurchased				20.00%
Subsequent Event
Equity, Class of Treasury Stock [Line Items]
Accelerated share repurchase program, receipt (payment)	$ 125,000,000
Accelerated share repurchases, shares received at inception	1.5
Accelerated share repurchases, percentage of expected total repurchased	80.00%
Remaining amount under share repurchase	$ 100,000,000
Convertible Debt
Equity, Class of Treasury Stock [Line Items]
Net proceeds from offering of convertible senior notes						100,000,000
Convertible Debt | Certain Purchasers
Equity, Class of Treasury Stock [Line Items]
Net proceeds from offering of convertible senior notes						$ 7,600,000