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Balance Sheet Details | 12 Months Ended
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Sep. 30, 2022
Balance Sheet Details [Abstract] |
Balance Sheet Details | Balance Sheet Details Cash, Cash Equivalents and Restricted Cash The following table provides a reconciliation of the Company’s cash and cash equivalents and restricted cash reported within the consolidated balance sheets that sum to the total cash, cash equivalents and restricted cash shown in the Company’s consolidated statements of cash flows for the periods presented (in thousands):
|  | September 30,
|  | 2022 |  | 2021
Cash and cash equivalents |  | $ | 758,012 |  |  | $ | 580,977 |
Restricted cash included in other assets, net |  | 4,195 |  |  | 3,356 |
Total cash, cash equivalents and restricted cash |  | $ | 762,207 |  |  | $ | 584,333 |
Inventories Inventories consist of the following (in thousands):
|  | September 30,
|  | 2022 |  | 2021
Finished goods |  | $ | 10,164 |  |  | $ | 13,081 |
Raw materials |  | 58,201 |  |  | 8,974 |
|  | $ | 68,365 |  |  | $ | 22,055 |
Other Current Assets Other current assets consist of the following (in thousands):
|  | September 30,
|  | 2022 |  | 2021
Unbilled receivables |  | $ | 319,707 |  |  | $ | 215,396 |
Prepaid expenses |  | 57,340 |  |  | 59,636 |
Capitalized contract acquisition costs |  | 34,658 |  |  | 34,265 |
Other 1 |  | 77,609 |  |  | 28,605 |
|  | $ | 489,314 |  |  | $ | 337,902 |
(1) As of September 30, 2022, includes a deposit of $57.0 million used to support the working capital needs of the Company’s primary contract manufacturer's procurement of components used in the manufacturing of system hardware. Property and Equipment Property and equipment consist of the following (in thousands):
|  | September 30,
|  | 2022 |  | 2021
Computer equipment |  | $ | 168,204 |  |  | $ | 166,846 |
Software |  | 86,036 |  |  | 94,169 |
Office furniture and equipment |  | 41,619 |  |  | 45,204 |
Leasehold improvements |  | 173,689 |  |  | 174,504 |
|  | 469,548 |  |  | 480,723 |
Accumulated depreciation and amortization |  | (301,366) |  |  | (289,559) |
|  | $ | 168,182 |  |  | $ | 191,164 |
Depreciation and amortization expense totaled approximately $56.0 million, $61.3 million, and $59.5 million for the fiscal years ended September 30, 2022, 2021 and 2020, respectively. There were no long-lived asset impairment charges for the year ended September 30, 2022. During the year ended September 30, 2021, the Company recorded an impairment of $10.3 million for leasehold improvements and other fixed assets associated with the permanent exit of six floors in its corporate headquarters. The Company also recorded an impairment of $0.2 million for fixed assets associated with the integration of the former Shape headquarters in Santa Clara, California. The impairment charges for the year ended September 30, 2021 were allocated to various expense line items on the Company’s consolidated income statements based on the teams that previously worked out of the exited space. Goodwill Changes in the carrying amount of goodwill during fiscal years 2022 and 2021 are summarized as follows (in thousands):
Balance, September 30, 2020 |  | $ | 1,858,966 |
Acquisition of Volterra, Inc. |  | 351,417 |
Other |  | 6,170 |
Balance, September 30, 2021 |  | 2,216,553 |
Acquisition of Threat Stack, Inc. |  | 43,956 |
Other |  | (1,227) |
Balance, September 30, 2022 |  | $ | 2,259,282 |
Other Assets Other assets consist of the following (in thousands):
|  | September 30,
|  | 2022 |  | 2021
Intangible assets |  | $ | 200,288 |  |  | $ | 237,178 |
Unbilled receivables |  | 224,780 |  |  | 158,885 |
Capitalized contract acquisition costs |  | 42,561 |  |  | 43,571 |
Other |  | 48,493 |  |  | 32,924 |
|  | $ | 516,122 |  |  | $ | 472,558 |
Intangible assets are included in other assets on the consolidated balance sheets and consist of the following (in thousands):
|  | September 30, 2022 |  | September 30, 2021
|  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Developed technology |  | $ | 319,436 |  |  | $ | (151,332) |  |  | $ | 168,104 |  |  | $ | 305,673 |  |  | $ | (111,279) |  |  | $ | 194,394 |
Customer relationships |  | 46,142 |  |  | (25,630) |  |  | 20,512 |  |  | 41,742 |  |  | (17,865) |  |  | 23,877 |
Patents and trademarks |  | 23,504 |  |  | (19,255) |  |  | 4,249 |  |  | 20,260 |  |  | (17,180) |  |  | 3,080 |
Trade names |  | 24,973 |  |  | (17,550) |  |  | 7,423 |  |  | 24,973 |  |  | (9,146) |  |  | 15,827 |
Non-compete covenants |  | 2,260 |  |  | (2,260) |  |  | — |  |  | 2,260 |  |  | (2,260) |  |  | — |
|  | $ | 416,315 |  |  | $ | (216,027) |  |  | $ | 200,288 |  |  | $ | 394,908 |  |  | $ | (157,730) |  |  | $ | 237,178 |
Amortization expense related to intangible assets was approximately $36.4 million, $48.7 million, and $34.6 million for the fiscal years ended September 30, 2022, 2021 and 2020, respectively. For intangible assets held as of September 30, 2022, amortization expense for the five succeeding fiscal years is as follows (in thousands):
2023 | $ | 51,303 |
2024 | 46,030 |
2025 | 41,559 |
2026 | 36,805 |
2027 | 15,526 |
| $ | 191,223 |
Accrued Liabilities Accrued liabilities consist of the following (in thousands):
|  | September 30,
|  | 2022 |  | 2021
Payroll and benefits |  | $ | 165,437 |  |  | $ | 179,147 |
Operating lease liabilities, current |  | 42,523 |  |  | 49,286 |
Income and other tax accruals |  | 41,217 |  |  | 44,075 |
Other |  | 60,642 |  |  | 68,979 |
|  | $ | 309,819 |  |  | $ | 341,487 |
Other Long-term Liabilities Other long-term liabilities consist of the following (in thousands):
|  | September 30,
|  | 2022 |  | 2021
Income taxes payable |  | $ | 59,553 |  |  | $ | 66,081 |
Other |  | 8,157 |  |  | 9,155 |
|  | $ | 67,710 |  |  | $ | 75,236 |

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- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -URI https://asc.fasb.org/topic&trid=2122208 + Details
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