Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net income	$ 409,126	$ 294,969	$ 254,860
Other comprehensive loss, net of tax
Foreign currency translation adjustments	(2,275)	(120)	(3,692)
Pension liability adjustments, net	(382)	(49)	69
Other comprehensive loss	(2,657)	(169)	(3,623)
Comprehensive income	$ 406,469	$ 294,800	$ 251,237