Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2021	Oct. 31, 2020
Statement of Comprehensive Income [Abstract]
Net loss	$ (47,023)	$ (29,158)	$ (81,512)	$ (48,159)
Foreign currency translation adjustments
Foreign currency translation adjustments	588	(479)	(1,276)	(10,537)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent, Total	588	(479)	(1,276)	(10,537)
Total comprehensive loss	$ (46,435)	$ (29,637)	$ (82,788)	$ (58,696)