STOCKHOLDERS' EQUITY AND EARNINGS PER SHARE - Components of and changes in AOCI, net of income taxes (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($)
Components of and changes in accumulated other comprehensive income (loss), net of income taxes
Beginning Balance	$ 1,144,182
Ending Balance	1,142,883
Accumulated Other Comprehensive Income (Loss)
Components of and changes in accumulated other comprehensive income (loss), net of income taxes
Beginning Balance	6,114
Other comprehensive income prior to reclassifications	(5,184)
Amounts reclassified from accumulated other comprehensive income	(2,785)
Ending Balance	(1,855)
Foreign Currency Translation
Components of and changes in accumulated other comprehensive income (loss), net of income taxes
Beginning Balance	(10,796)
Other comprehensive income prior to reclassifications	(6,589)
Ending Balance	(17,385)
Change in fair value of cash flow hedges
Components of and changes in accumulated other comprehensive income (loss), net of income taxes
Beginning Balance	5,474
Other comprehensive income prior to reclassifications	1,405
Amounts reclassified from accumulated other comprehensive income	(2,785)
Ending Balance	4,094
Amortization of pension actuarial gains and losses
Components of and changes in accumulated other comprehensive income (loss), net of income taxes
Beginning Balance	11,436
Ending Balance	$ 11,436