ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) - Changes in Accumulated Other Comprehensive Income/(Loss) by Component (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accumulated other comprehensive income activity
Balance at the beginning of the period	$ 1,969,407
Other comprehensive (loss) income before reclassifications	(31,757)	$ (36,482)	$ 44,538
Amounts reclassified from accumulated other comprehensive income	6,432	2,150	15,701
Net current-period other comprehensive (loss) income	(25,325)	(34,332)	60,239
Balance at the end of the period	2,053,935	1,969,407
Accumulated Other Comprehensive (Loss)Income
Accumulated other comprehensive income activity
Balance at the beginning of the period	(316,041)	(281,709)	(341,948)
Balance at the end of the period	(341,366)	(316,041)	(281,709)
Foreign Currency
Accumulated other comprehensive income activity
Balance at the beginning of the period	(249,500)	(178,025)	(257,124)
Other comprehensive (loss) income before reclassifications	(79,240)	(71,475)	79,099
Amounts reclassified from accumulated other comprehensive income	0	0	0
Net current-period other comprehensive (loss) income	(79,240)	(71,475)	79,099
Balance at the end of the period	(328,740)	(249,500)	(178,025)
Defined Benefit Pension Plans
Accumulated other comprehensive income activity
Balance at the beginning of the period	(66,486)	(102,322)	(83,147)
Other comprehensive (loss) income before reclassifications	54,149	26,409	(25,389)
Amounts reclassified from accumulated other comprehensive income	6,386	9,427	6,214
Net current-period other comprehensive (loss) income	60,535	35,836	(19,175)
Balance at the end of the period	(5,951)	(66,486)	(102,322)
Derivatives
Accumulated other comprehensive income activity
Balance at the beginning of the period	(55)	(1,362)	(1,677)
Other comprehensive (loss) income before reclassifications	(6,666)	8,584	(9,172)
Amounts reclassified from accumulated other comprehensive income	46	(7,277)	9,487
Net current-period other comprehensive (loss) income	(6,620)	1,307	315
Balance at the end of the period	$ (6,675)	$ (55)	$ (1,362)