Unaudited Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Other comprehensive income (loss)
Net income	$ 7,374	$ 5,082	$ 13,462	$ 11,559
Foreign currency translation adjustments	2,176	26,891	3,785	22,014
Unrealized derivative gain on cash flow hedges, net of tax	21,730	9,091	28,311	10,093
Change in pension liability, net of tax	166	110	335	374
Total other comprehensive income	24,072	36,092	32,431	32,481
Less: Comprehensive income attributable to non‑controlling interest	(44)	(46)	(145)	(90)
Comprehensive income attributable to Evoqua Water Technologies Corp.	$ 31,402	$ 41,128	$ 45,748	$ 43,950