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Accounts Receivable - Net (Tables) | 12 Months Ended
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Sep. 29, 2019
Accounts Receivable - Net and Revenue Recognition |
Net accounts receivable and billings in excess of costs on uncompleted contracts | Net accounts receivable consisted of the following at September 29, 2019 and September 30, 2018:
| September 29, 2019 |  | September 30, 2018
| (in thousands)
Billed | $ | 522,256 |  |  | $ | 464,062 |
Unbilled | 300,035 |  |  | 267,739 |
Total accounts receivable – gross | 822,291 |  |  | 731,801 |
Allowance for doubtful accounts | (53,571 | ) |  | (37,580 | )
Total accounts receivable – net | $ | 768,720 |  |  | $ | 694,221 |

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- Definition Tabular disclosure of the various types of trade accounts receivable such as billed and unbilled accounts receivable and contract retentions, as well as the gross carrying value, allowance, and net carrying value, and billings in excess of costs on uncompleted contracts as of the balance sheet date. + References No definition available. + Details
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