CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Net earnings	$ 10,727	$ 8,829
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments	(4,363)	(1,138)
Net unrealized (loss) gain on derivative instruments	(133)	63
Total other comprehensive (loss) income, net of tax	(4,496)	(1,075)
Comprehensive income	$ 6,231	$ 7,754