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Accounts Receivable - Net and Revenue Recognition (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jul. 02, 2017 | Jun. 26, 2016 | Jul. 02, 2017 | Jun. 26, 2016 | Oct. 02, 2016
Net accounts receivable and billings in excess of costs on uncompleted contracts |  |  |  |  |
Billed | $ 350,905 |  | $ 350,905 |  | $ 364,287
Unbilled | 373,292 |  | 373,292 |  | 356,147
Contract retentions | 38,488 |  | 38,488 |  | 29,135
Total accounts receivable - gross | 762,685 |  | 762,685 |  | 749,569
Allowance for doubtful accounts | (31,394) |  | (31,394) |  | (35,233)
Total accounts receivable - net | 731,291 |  | 731,291 |  | 714,336
Billings in excess of costs on uncompleted contracts | 125,603 |  | $ 125,603 |  | 88,223
Accounts Receivable - Net |  |  |  |  |
Period for billing and collecting unbilled receivables |  |  | 12 months |  |
Period for earning majority of billings in excess of costs |  |  | 12 months |  |
Total accounts receivable related to claims, including requests for equitable adjustment on contracts | 49,000 |  | $ 49,000 |  | 45,000
Revenue Recognition and Contract Costs |  |  |  |  |
Net unfavorable operating income adjustments |  |  | 8,000 |  |
Liabilities for anticipated losses | 8,700 |  | 8,700 |  | 6,700
Estimated cost to complete the related contracts | 10,700 |  | 10,700 |  |
Accounts Receivable | U.S. federal government contracts |  |  |  |  |
Accounts Receivable - Net |  |  |  |  |
Billed accounts receivable related to U.S. federal government contracts | 51,400 |  | 51,400 |  | 47,400
U.S. federal government unbilled receivables | 95,700 |  | 95,700 |  | $ 92,200
RCM |  |  |  |  |
Accounts Receivable - Net |  |  |  |  |
Reduction in the revenue related to the evaluation of the claims | 400 |  | 4,900 |  |
Gains (losses) from claim settlement | $ (400) |  | (3,600) | $ 4,600 |
Cash proceeds from claim settlement |  |  |  | 13,400 |
Claims amount |  | $ 8,800 |  | 8,800 |
Revenue Recognition and Contract Costs |  |  |  |  |
Net unfavorable operating income adjustments |  | $ 2,300 | 5,700 | $ 2,300 |
RME |  |  |  |  |
Revenue Recognition and Contract Costs |  |  |  |  |
Net unfavorable operating income adjustments |  |  | $ 2,300 |  |

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- Definition Liability attributable to (i) billings in excess of costs under the percentage of completion contract accounting method representing the difference between contractually invoiced amounts (billings) and revenue recognized based, for example, on costs incurred to estimated total costs at period end or (ii) contractually invoiced amounts (billings) in excess of costs incurred and accumulated under the completed contract accounting method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 35 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=68068069&loc=d3e57807-111642 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 35 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=68068069&loc=d3e57788-111642 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 35 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=68068069&loc=d3e57795-111642 + Details
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