v3.26.1
Segment Information - Schedule of Segment Reporting Information, by Segment (Details) - USD ($)
 3 Months Ended 9 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Apr. 30, 2026
Apr. 30, 2025
Jul. 31, 2025
Segment Reporting Information [Line Items]          
Net sales $ 106,004,000 $ 126,787,000 $ 323,797,000 $ 369,161,000  
Cost of sales 69,938,000 87,842,000 214,742,000 281,960,000  
Selling, general and administrative 29,331,000 30,203,000 86,950,000 115,679,000  
Research and development 5,220,000 4,425,000 13,440,000 12,492,000  
Amortization of intangibles 4,597,000 5,044,000 14,684,000 16,680,000  
Impairment of long-lived assets, including goodwill 0 0 0 79,555,000  
Segment operating income (3,122,000) (1,532,000) (7,115,000) (140,959,000)  
Unallocated corporate expenses 9,015,000 11,800,000 28,633,000 39,322,000  
CEO transition costs 40,000 805,000 1,096,000 1,072,000  
Interest expense 11,537,000 12,907,000 34,314,000 33,447,000  
Interest (income) and other 5,000 (509,000) (426,000) 0  
Change in fair value of warrants and derivatives (12,479,000) (49,542,000) (9,763,000) (15,450,000)  
Loss before income taxes (2,185,000) 32,133,000 (31,240,000) (163,847,000)  
Purchases of property, plant and equipment 5,428,000 2,461,000 13,112,000 6,118,000  
Consolidated purchases of property, plant and equipment 5,435,000 2,461,000 13,119,000 6,529,000  
Depreciation expense 3,023,000 2,605,000 8,768,000 8,030,000  
Depreciation and amortization of property, plant and equipment 3,129,000 2,726,000 9,094,000 8,400,000  
Total segment assets 666,704,000 719,382,000 666,704,000 719,382,000  
Total assets 693,483,000 751,144,000 693,483,000 751,144,000 $ 740,835,000
Proxy solicitation costs 0 0 0 2,682,000  
Write-off of deferred financing costs and debt discounts 0 3,479,000 0 4,891,000  
Satellite and Space Communications          
Segment Reporting Information [Line Items]          
Net sales 50,331,000 67,566,000 156,041,000 200,220,000  
Purchases of property, plant and equipment   171,000      
Allerium          
Segment Reporting Information [Line Items]          
Net sales 55,673,000 59,221,000 167,756,000 168,941,000  
Purchases of property, plant and equipment   2,290,000      
Satellite and Space Communications          
Segment Reporting Information [Line Items]          
Purchases of property, plant and equipment 617,000   1,183,000 310,000  
Depreciation expense 674,000 680,000 1,996,000 2,197,000  
Total segment assets 228,553,000 268,261,000 228,553,000 268,261,000  
Allerium          
Segment Reporting Information [Line Items]          
Purchases of property, plant and equipment 4,811,000   11,929,000 5,808,000  
Depreciation expense 2,349,000 1,925,000 6,772,000 5,833,000  
Total segment assets 438,151,000 451,121,000 438,151,000 451,121,000  
Operating Segments          
Segment Reporting Information [Line Items]          
Net sales 106,004,000 126,787,000 323,797,000 369,161,000  
Segment operating income 5,933,000 11,073,000 22,614,000 (97,883,000)  
Operating Segments | Satellite and Space Communications          
Segment Reporting Information [Line Items]          
Net sales 50,331,000 67,566,000 156,041,000 200,220,000  
Cost of sales 36,142,000 52,900,000 112,537,000 175,755,000  
Selling, general and administrative 9,664,000 9,082,000 27,627,000 50,154,000  
Research and development 1,877,000 1,441,000 4,676,000 3,839,000  
Amortization of intangibles 1,073,000 1,426,000 3,925,000 5,828,000  
Impairment of long-lived assets, including goodwill     0 79,555,000  
Segment operating income 1,575,000 2,717,000 7,276,000 (114,911,000)  
Operating Segments | Allerium          
Segment Reporting Information [Line Items]          
Net sales 55,673,000 59,221,000 167,756,000 168,941,000  
Cost of sales 33,745,000 34,844,000 102,040,000 105,906,000  
Selling, general and administrative 10,745,000 9,482,000 30,965,000 26,690,000  
Research and development 3,301,000 2,921,000 8,654,000 8,465,000  
Amortization of intangibles 3,524,000 3,618,000 10,759,000 10,852,000  
Impairment of long-lived assets, including goodwill     0 0  
Segment operating income 4,358,000 8,356,000 15,338,000 17,028,000  
Unallocated          
Segment Reporting Information [Line Items]          
Unallocated purchases of property, plant and equipment 7,000 0 7,000 411,000  
Unallocated depreciation expense 106,000 121,000 326,000 370,000  
Unallocated assets $ 26,779,000 $ 31,762,000 $ 26,779,000 $ 31,762,000