RETIREMENT PLANS - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Retirement Benefits [Abstract]
Net periodic benefit costs	$ 0.3	$ 0.6	$ 0.5	$ 1.2
Service cost component	0.6	$ 0.8	1.3	$ 1.7
Estimated fair value of plan assets	34.4		$ 34.4		$ 39.9
Defer payment and taxation, base salary, percentage (up to)			75.00%
Defer payment and taxation, bonus and other eligible cash compensation, percentage (up to)			100.00%
Deferred compensation plan, fair value of assets	$ 4.3		$ 4.3		$ 3.8