Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 11,528	$ 14,360
Other comprehensive (loss) income, net of tax:
Foreign currency translation (net of tax effect of $0 for all periods)	(4,163)	(3,975)
Retirement related benefit plans (net of tax effect of $0 for all periods)	105	143
Total other comprehensive loss	(4,058)	(3,832)
Comprehensive income	$ 7,470	$ 10,528