EQUITY ROLL FORWARD (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Common Stock, Dividends, Per Share, Cash Paid	$ 0.265	$ 0.250	$ 0.795	$ 0.750
Increase (Decrease) in Stockholders' Equity
Equity, beginning balance			$ 1,268,610
Net income	$ 17,204	$ 54,894	109,141	$ 147,317
Equity, ending balance	1,321,402		1,321,402
Temporary equity, beginning balance	1,511	1,134	1,224	1,145
Net income	174	46	409	56
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	(28)		(28)	(21)
Temporary Equity, Foreign Currency Translation Adjustments	(13)	(1)	39	(1)
Temporary equity, ending balance	1,644	1,179	1,644	1,179
Common Stock
Increase (Decrease) in Stockholders' Equity
Equity, beginning balance	4,448	4,575	4,571	4,607
Stock Issued During Period, Value, New Issues	2	2	16	9
Stock Repurchased and Retired During Period, Value	(1)	(9)	(148)	(59)
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	2	1	12	12
Equity, ending balance	4,451	4,569	4,451	4,569
Additional Paid-in Capital
Increase (Decrease) in Stockholders' Equity
Equity, beginning balance	383,428	356,016	363,956	344,717
Stock Issued During Period, Value, New Issues	1,036	965	12,549	5,260
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	2,370	3,111	10,329	10,115
Equity, ending balance	386,834	360,092	386,834	360,092
Retained Earnings
Increase (Decrease) in Stockholders' Equity
Equity, beginning balance	1,088,407	1,099,285	1,151,575	1,078,512
Net income	16,738	54,596	107,840	146,654
Dividends, Common Stock, Cash	(11,835)	(11,462)	(36,194)	(34,586)
Stock Repurchased and Retired During Period, Value	(94)	(8,769)	(130,005)	(56,930)
Equity, ending balance	1,093,216	1,133,650	1,093,216	1,133,650
Accumulated Other Comprehensive Income/(Loss)
Increase (Decrease) in Stockholders' Equity
Equity, beginning balance	(214,407)	(237,705)	(254,003)	(221,114)
Currency translation adjustment	4,578	8,621	43,553	(8,837)
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	43,262	416	43,883	1,283
Equity, ending balance	(166,567)	(228,668)	(166,567)	(228,668)
Noncontrolling Interest
Increase (Decrease) in Stockholders' Equity
Equity, beginning balance	3,186	2,725	2,511	2,426
Net income	292	252	892	607
Currency translation adjustment	(10)	86	65	30
Equity, ending balance	3,468	3,063	3,468	3,063
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders				0
Total Equity
Increase (Decrease) in Stockholders' Equity
Equity, beginning balance	1,265,062	1,224,896	1,268,610	1,209,148
Net income	17,030	54,848	108,732	147,261
Dividends, Common Stock, Cash	(11,835)	(11,462)	(36,194)	(34,586)
Stock Issued During Period, Value, New Issues	1,038	967	12,565	5,269
Stock Repurchased and Retired During Period, Value	(95)	(8,778)	(130,153)	(56,989)
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	2,372	3,112	10,341	10,127
Currency translation adjustment	4,568	8,707	43,618	(8,807)
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	43,262	416	43,883	1,283
Equity, ending balance	$ 1,321,402	$ 1,272,706	1,321,402	1,272,706
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders			$ 0	$ 0