FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Thousands	1 Months Ended
	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Sep. 30, 2019
Assets measured at fair value on a recurring basis
Initial notional amount				$ 500,000
Equity securities without readily determinable fair value
Variable rate		$ 442,300
Interest rate swap agreement
Assets measured at fair value on a recurring basis
Initial notional amount				$ 440,000
Preferred Stock
Equity securities without readily determinable fair value
Investment in privately held company	$ 712,000		$ 7,900		$ 7,900
Fair value change	3,500
Gain on investment	$ 3,500
Level 3 | Contingent Consideration | Accrued Liabilities
Assets measured at fair value on a recurring basis
Liabilities fair value disclosure			2,200
Recurring
Assets measured at fair value on a recurring basis
Assets fair value disclosure		8,858	5,660
Liabilities fair value disclosure			11,917
Recurring | Interest rate swap agreement
Assets measured at fair value on a recurring basis
Liabilities fair value disclosure			9,744
Recurring | Fixed-income securities
Assets measured at fair value on a recurring basis
Assets fair value disclosure		1,950	4,341
Recurring | Money market funds
Assets measured at fair value on a recurring basis
Assets fair value disclosure		1,886	1,319
Recurring | Money market funds | Interest rate swap agreement
Assets measured at fair value on a recurring basis
Assets fair value disclosure		5,022
Recurring | Contingent Consideration
Assets measured at fair value on a recurring basis
Liabilities fair value disclosure			2,173
Recurring | Quoted Prices in Active Markets (Level 1)
Assets measured at fair value on a recurring basis
Assets fair value disclosure		3,581	4,233
Recurring | Quoted Prices in Active Markets (Level 1) | Fixed-income securities
Assets measured at fair value on a recurring basis
Assets fair value disclosure		1,695	2,914
Recurring | Quoted Prices in Active Markets (Level 1) | Money market funds
Assets measured at fair value on a recurring basis
Assets fair value disclosure		1,886	1,319
Recurring | Other Observable Inputs (Level 2)
Assets measured at fair value on a recurring basis
Assets fair value disclosure		5,277	1,427
Liabilities fair value disclosure			9,744
Recurring | Other Observable Inputs (Level 2) | Interest rate swap agreement
Assets measured at fair value on a recurring basis
Liabilities fair value disclosure			9,744
Recurring | Other Observable Inputs (Level 2) | Fixed-income securities
Assets measured at fair value on a recurring basis
Assets fair value disclosure		255	1,427
Recurring | Other Observable Inputs (Level 2) | Money market funds | Interest rate swap agreement
Assets measured at fair value on a recurring basis
Assets fair value disclosure		$ 5,022
Recurring | Level 3
Assets measured at fair value on a recurring basis
Liabilities fair value disclosure			2,173
Recurring | Level 3 | Contingent Consideration
Assets measured at fair value on a recurring basis
Liabilities fair value disclosure			$ 2,173