ACCUMULATED OTHER COMPREHENSIVE LOSS - Components of AOCI (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Increase (Decrease) in Equity
Beginning balance	$ 1,513,887	$ 1,341,551	$ 1,269,813
Other comprehensive (loss) income before reclassifications	47,088	5,695	(11,023)
Amounts reclassified out of accumulated other comprehensive loss	(683)	10,011	8,180
Tax benefit (provision)	(17,574)	(241)	1,417
Other comprehensive income (loss), net of tax	28,831	15,465	(1,426)
Ending balance	1,922,322	1,513,887	1,341,551
Foreign Currency Translation Adjustments
Increase (Decrease) in Equity
Beginning balance	(177,824)	(176,234)	(187,795)
Other comprehensive (loss) income before reclassifications	(31,515)	(1,590)	10,212
Amounts reclassified out of accumulated other comprehensive loss	0	0	0
Tax benefit (provision)	0	0	1,349
Other comprehensive income (loss), net of tax	(31,515)	(1,590)	11,561
Ending balance	(209,339)	(177,824)	(176,234)
Unrealized Gain (Loss) on Available-For-Sale Securities
Increase (Decrease) in Equity
Beginning balance	(150)	135	143
Other comprehensive (loss) income before reclassifications	(523)	(361)	(10)
Amounts reclassified out of accumulated other comprehensive loss	0	0	0
Tax benefit (provision)	110	76	2
Other comprehensive income (loss), net of tax	(413)	(285)	(8)
Ending balance	(563)	(150)	135
Unrealized (Loss) Gain on Fair Value of Interest Rate Hedges
Increase (Decrease) in Equity
Beginning balance	(17,383)	(33,629)	(20,839)
Other comprehensive (loss) income before reclassifications	78,711	6,235	(20,970)
Amounts reclassified out of accumulated other comprehensive loss	(683)	10,011	8,180
Tax benefit (provision)	(17,587)	0	0
Other comprehensive income (loss), net of tax	60,441	16,246	(12,790)
Ending balance	43,058	(17,383)	(33,629)
Unrealized Loss on Unfunded Pension Liability
Increase (Decrease) in Equity
Beginning balance	(655)	(1,749)	(1,560)
Other comprehensive (loss) income before reclassifications	415	1,411	(255)
Amounts reclassified out of accumulated other comprehensive loss	0	0	0
Tax benefit (provision)	(97)	(317)	66
Other comprehensive income (loss), net of tax	318	1,094	(189)
Ending balance	(337)	(655)	(1,749)
Accumulated Other Comprehensive Loss
Increase (Decrease) in Equity
Beginning balance	(196,012)	(211,477)	(210,051)
Other comprehensive income (loss), net of tax	28,831	15,465	(1,426)
Ending balance	$ (167,181)	$ (196,012)	$ (211,477)

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