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Revenue from Contracts with Customers (Tables) | 6 Months Ended
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Mar. 28, 2020
Revenue from Contract with Customer [Abstract] |
Schedule of Contract Assets and Liabilities | Contract Assets and Contract Liabilities
(in thousands) | March 28, 2020 |  | September 30, 2019
Contract asset | $ | 19,582 |  |  | $ | 21,038 |
Deferred revenue | $ | 417,202 |  |  | $ | 396,632 |
Disaggregation of Revenue | Disaggregation of Revenue
(in thousands) | Three months ended |  | Six months ended
| March 28, 2020 |  | March 30, 2019 |  | March 28, 2020 |  | March 30, 2019
Total recurring revenue | $ | 315,862 |  |  | $ | 239,185 |  |  | $ | 621,230 |  |  | $ | 490,623 |
Perpetual license | 8,218 |  |  | 10,336 |  |  | 17,216 |  |  | 52,141 |
Professional services | 35,523 |  |  | 40,930 |  |  | 77,267 |  |  | 82,376 |
Total revenue | $ | 359,603 |  |  | $ | 290,451 |  |  | $ | 715,713 |  |  | $ | 625,140 |

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- Definition Tabular disclosure of contract balances and changes in contract balances. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130551-203045 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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