CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) shares in Thousands, $ in Thousands		Total	Common Stock Member	Additional Paid In Capital Member	Retained Earnings Member	Accumulated Other Comprehensive Loss Member	Treasury Stock
Beginning Balance at Dec. 31, 2022			$ 49,187	$ 134,553	$ 3,163,491	$ (258,916)	$ (1,107,101)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings		$ 56,846			56,846
Other Comprehensive Income (Loss), Net of Tax		$ 14,474				14,474
Dividends paid/declared					(7,298)
Restricted stock				(13,805)			13,805
Employee Stock Purchase Plan				1,483			3,742
Share-based compensation				4,939			240
Repurchases of common stock	[1]						(12,386)
Other				(261)			261
Ending Balance at Mar. 31, 2023			49,187	126,909	3,213,039	(244,442)	(1,101,439)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury Stock, Shares, Acquired		73
Beginning Balance at Dec. 31, 2022			49,187	134,553	3,163,491	(258,916)	(1,107,101)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Other Comprehensive Income (Loss), Net of Tax		$ 45,693
Ending Balance at Dec. 31, 2023		2,328,413	49,187	140,182	3,487,751	(213,223)	(1,135,484)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings		76,495			76,495
Other Comprehensive Income (Loss), Net of Tax		(15,032)				(15,032)
Dividends paid/declared					(7,674)
Restricted stock				(13,879)			13,879
Employee Stock Purchase Plan				2,484			2,988
Share-based compensation				4,562			133
Repurchases of common stock	[1]						(12,190)
Other				(183)			183
Ending Balance at Mar. 31, 2024		$ 2,380,179	$ 49,187	$ 133,166	$ 3,556,572	$ (228,255)	$ (1,130,491)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury Stock, Shares, Acquired		53

[1] For the three months ended March 31, 2024 and March 31, 2023, the Corporation repurchased approximately 53,000 and 73,000 shares, respectively, of its common stock.