CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Comprehensive Income (Loss)
Net Income	$ 65,086	$ 62,530
Other comprehensive income, net of tax:
Foreign currency translation adjustment	(1)	(2)
Defined benefit pension plan and postretirement medical liability adjustment	0	(167)
Reclassification of net losses on derivative instruments	113	113
Total Other Comprehensive Income (Loss)	112	(56)
Comprehensive Income	$ 65,198	$ 62,474