Balance sheet components - Schedule of Components of Capitalized Computer Software (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Sep. 30, 2020 |
Sep. 30, 2019 |
Sep. 30, 2018 |
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| Balance Sheet Related Disclosures [Abstract] | |||
| Capitalized software | $ 120,677 | $ 103,643 | |
| Less: Accumulated amortization | (82,644) | (71,274) | |
| Total capitalized software, net | 38,033 | 32,369 | |
| Capitalized software amortization expense | 9,600 | $ 7,200 | $ 11,200 |
| Capitalized software written off | $ 600 | ||
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- References No definition available.
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- Definition For each balance sheet presented, the amount of accumulated amortization for capitalized computer software costs. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of expense for amortization of capitalized computer software costs. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before accumulated amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of impairment loss from capitalized computer software costs. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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