Presentation and Summary of Significant Accounting Policies - Goodwill (Details) $ in Thousands	12 Months Ended
	Apr. 30, 2023 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 25,888
Goodwill related to the Starboard Acquisition	3,670
Goodwill, ending balance	29,558
Supply Chain Management
Goodwill [Roll Forward]
Goodwill, beginning balance	25,888
Goodwill related to the Starboard Acquisition	3,670
Goodwill, ending balance	29,558
IT Consulting
Goodwill [Roll Forward]
Goodwill, beginning balance	0
Goodwill related to the Starboard Acquisition	0
Goodwill, ending balance	0
Other
Goodwill [Roll Forward]
Goodwill, beginning balance	0
Goodwill related to the Starboard Acquisition	0
Goodwill, ending balance	$ 0