Cost Reduction - Narrative (Details) $ in Thousands	12 Months Ended
	Jul. 31, 2023 USD ($)	Jul. 31, 2023 USD ($) operating_segment	Jul. 31, 2023 USD ($) segment
Restructuring and Related Activities [Abstract]
Number of operating segments		2	2
Segment Reporting Information [Line Items]
Number of operating segments		2	2
Severance costs	$ 3,872
Payments for severance cost	2,320
Severance liability	1,552	$ 1,552	$ 1,552
Satellite and Space Communications
Segment Reporting Information [Line Items]
Severance costs	1,989
Terrestrial and Wireless Network Segment
Segment Reporting Information [Line Items]
Severance costs	1,220
Unallocated Segment
Segment Reporting Information [Line Items]
Severance costs	$ 663