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Segment Information - Narrative (Details)	3 Months Ended	12 Months Ended
Segment Information - Narrative (Details)	Oct. 31, 2024 USD ($)	Jul. 31, 2025 USD ($) service technology	Jul. 31, 2024 USD ($)	Jul. 31, 2023 USD ($)
Segment Reporting Information [Line Items]
Number of technology areas \| technology		4
Number of service areas \| service		3
UHP
Segment Reporting Information [Line Items]
Goodwill, impairment loss		$ 79,555,000
UHP \| Satellite And Space Communications
Segment Reporting Information [Line Items]
Goodwill, impairment loss	$ 79,555,000
Unallocated
Segment Reporting Information [Line Items]
Business exit costs		$ 9,512,000	$ 8,043,000	$ 3,907,000

Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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