Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 15,721	$ 4,299
Other comprehensive income:
Foreign currency translation adjustment, net of tax	3,039	11,277
Comprehensive income	$ 18,760	$ 15,576