v3.26.1
Summary of Significant Accounting Policies - Revision of Previously Issued Financial Statements - Condensed Consolidated Income Statement (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Revenue        
Total revenue $ 144,795 $ 143,338 $ 293,437 $ 290,774
Cost of revenue        
Total cost of revenue (82,760) (80,555) (167,696) (159,172)
Gross profit 62,035 62,783 125,741 131,602
Operating expenses        
Research and development 9,433 7,602 18,622 14,715
Selling, general and administrative 67,887 69,795 128,498 139,771
Total operating expenses 227,825 80,977 298,768 158,497
Operating loss (165,790) (18,194) (173,027) (26,895)
Loss from continuing operations before income taxes (157,344) (12,547) (159,404) (15,746)
Income tax (benefit) expense (323) 7,243 2,807 11,117
Loss from continuing operations (157,021) (19,790) (162,211) (26,863)
Loss from discontinued operations, net of tax (3,777) (27,871) (14,019) (31,790)
Net loss $ (160,798) $ (47,661) $ (176,230) $ (58,653)
Basic net loss per share:        
Loss from continuing operations (in dollars per share) $ (3.41) $ (0.43) $ (3.53) $ (0.59)
Loss from discontinued operations, net of tax (in dollars per share) (0.08) (0.61) (0.30) (0.70)
Basic net loss per share (in dollars per share) (3.49) (1.04) (3.83) (1.29)
Diluted net loss per share:        
Loss from continuing operations (in dollars per share) (3.41) (0.43) (3.53) (0.59)
Loss from discontinued operations, net of tax (in dollars per share) (0.08) (0.61) (0.30) (0.70)
Diluted net loss per share (in dollars per share) $ (3.49) $ (1.04) $ (3.83) $ (1.29)
Weighted average shares used in computing net income (loss) per share:        
Basic (in shares) 46,063 45,732 45,995 45,658
Diluted (in shares) 46,063 45,732 45,995 45,658
Services        
Revenue        
Total revenue $ 107,153 $ 101,383 $ 214,711 $ 204,992
Cost of revenue        
Total cost of revenue (60,638) (55,561) (120,825) (110,137)
Products        
Revenue        
Total revenue 37,642 41,955 78,726 85,782
Cost of revenue        
Total cost of revenue (22,122) (24,994) $ (46,871) (49,035)
As Previously Reported        
Revenue        
Total revenue   143,418   290,928
Cost of revenue        
Total cost of revenue   (77,532)   (156,371)
Gross profit   65,886   134,557
Operating expenses        
Research and development   6,869   13,249
Selling, general and administrative   71,588   144,801
Total operating expenses   82,037   162,061
Operating loss   (16,151)   (27,504)
Loss from continuing operations before income taxes   (10,505)   (16,357)
Income tax (benefit) expense   7,680   11,249
Loss from continuing operations   (18,185)   (27,606)
Loss from discontinued operations, net of tax   (22,271)   (26,190)
Net loss   $ (40,456)   $ (53,796)
Basic net loss per share:        
Loss from continuing operations (in dollars per share)   $ (0.40)   $ (0.60)
Loss from discontinued operations, net of tax (in dollars per share)   (0.49)   (0.57)
Basic net loss per share (in dollars per share)   (0.89)   (1.17)
Diluted net loss per share:        
Loss from continuing operations (in dollars per share)   (0.40)   (0.60)
Loss from discontinued operations, net of tax (in dollars per share)   (0.49)   (0.57)
Diluted net loss per share (in dollars per share)   $ (0.89)   $ (1.17)
Weighted average shares used in computing net income (loss) per share:        
Basic (in shares)   45,732   45,658
Diluted (in shares)   45,732   45,658
As Previously Reported | Services        
Revenue        
Total revenue   $ 101,463   $ 205,146
Cost of revenue        
Total cost of revenue   (54,373)   (107,878)
As Previously Reported | Products        
Cost of revenue        
Total cost of revenue   (23,159)   (48,493)
Adjustments        
Revenue        
Total revenue   (80)   (154)
Cost of revenue        
Total cost of revenue   (3,023)   (2,801)
Gross profit   (3,103)   (2,955)
Operating expenses        
Research and development   733   1,466
Selling, general and administrative   (1,793)   (5,030)
Total operating expenses   (1,060)   (3,564)
Operating loss   (2,043)   609
Loss from continuing operations before income taxes   (2,042)   611
Income tax (benefit) expense   (437)   (132)
Loss from continuing operations   (1,605)   743
Loss from discontinued operations, net of tax   (5,600)   (5,600)
Net loss   $ (7,205)   $ (4,857)
Basic net loss per share:        
Loss from continuing operations (in dollars per share)   $ (0.03)   $ 0.01
Loss from discontinued operations, net of tax (in dollars per share)   (0.12)   (0.13)
Basic net loss per share (in dollars per share)   (0.15)   (0.12)
Diluted net loss per share:        
Loss from continuing operations (in dollars per share)   (0.03)   0.01
Loss from discontinued operations, net of tax (in dollars per share)   (0.12)   (0.13)
Diluted net loss per share (in dollars per share)   $ (0.15)   $ (0.12)
Weighted average shares used in computing net income (loss) per share:        
Basic (in shares)    
Diluted (in shares)    
Adjustments | Services        
Revenue        
Total revenue   $ (80)   $ (154)
Cost of revenue        
Total cost of revenue   (1,188)   (2,259)
Adjustments | Products        
Cost of revenue        
Total cost of revenue   $ (1,835)   $ (542)
Revision of Prior Period, Error Correction, Adjustment        
Cost of revenue        
Total cost of revenue $ 2,800