Interim Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 18,470	$ 17,462
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments, net of tax expense of $(250) and $(115), respectively	1,667	(4,010)
Recognition of deferred pension and other post-retirement benefits, net of tax benefit of $255 and expense of $(67), respectively	206	251
Unrealized income on derivative instruments, net of tax expense of $(367) and $(578), respectively	1,852	2,173
Other comprehensive income (loss), net of tax	3,725	(1,586)
Comprehensive income	$ 22,195	$ 15,876