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v3.21.2

Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Sep. 30, 2021
Accounting Policies [Abstract] |
Schedule of property and equipment useful lives | Property and equipment are recorded at cost, and depreciated or amortized on a straight-line basis over the following estimated useful lives:
Computers and purchased software |  | One to five years
Office/operational equipment |  | Three to five years
Furniture and fixtures |  | Five to seven years
Internally developed software for internal-use |  | Five years
Leasehold improvements |  | Shorter of lease term or useful life
Buildings |  | Thirty-nine years
Vehicles |  | Five years
Land |  | Not depreciated
Schedule of changes in accumulated other comprehensive income (loss), net of taxes | The following table shows the changes in accumulated other comprehensive income (loss), net of taxes (in thousands):
|  | Foreign Currency Translation Adjustments |  | Net Change Pension and Other Postretirement Benefit Plans |  | Accumulated Other Comprehensive Loss
Balance at September 30, 2018 |  | $ | (7,585) |  |  | $ | 1,136 |  |  | $ | (6,449) |
Current-period other comprehensive (loss) income |  | (984) |  |  | (540) |  |  | (1,524) |
Balance at September 30, 2019 |  | (8,569) |  |  | 596 |  |  | (7,973) |
Current-period other comprehensive (loss) income |  | 484 |  |  | (2,293) |  |  | (1,809) |
Balance at September 30, 2020 |  | (8,085) |  |  | (1,697) |  |  | (9,782) |
Current-period other comprehensive (loss) income |  | 601 |  |  | 170 |  |  | 771 |
Balance at September 30, 2021 |  | $ | (7,484) |  |  | $ | (1,527) |  |  | $ | (9,011) |

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