CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Net earnings	$ 19,019	$ 12,645	$ 63,684	$ 34,529
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(6,865)	4,796	(2,740)	2,981
Net unrealized (loss) gain on derivative instruments	(62)	81	93	(23)
Total other comprehensive (loss) income, net of tax	(6,927)	4,877	(2,647)	2,958
Comprehensive income	$ 12,092	$ 17,522	$ 61,037	$ 37,487