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Revenue from Contracts with Customers (Tables) | 12 Months Ended
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Sep. 28, 2019
Revenue from Contract with Customer [Abstract] |
Contract with Customer, Asset and Liability | Total contract assets and contract liabilities are as follows:
|  | September 28, 2019 |  | September 30, 2018
Unbilled receivables |  | $ | 468,824 |  |  | $ | 405,610 |
Contract advances |  | 137,242 |  |  | 152,608 |
Net contract assets |  | $ | 331,582 |  |  | $ | 253,002 |

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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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