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Detail of Selected Balance Sheet Accounts (Cost and Estimated Earnings on Uncompleted Contracts) (Details) (USD $) In Thousands, unless otherwise specified | Jun. 30, 2014 | Sep. 30, 2013
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Detail of Selected Balance Sheet Accounts [Abstract] |  |
Costs incurred on uncompleted contracts | $ 709,561 | $ 618,570
Estimated earnings | 182,506 | 159,962
Total | 892,067 | 778,532
Less: Billings to date | (842,322) | (747,446)
Net underbilled position | 49,745 | 31,086
Included in the accompanying balance sheets under the following captions: |  |
Costs and estimated earnings in excess of billings on uncompleted contracts – underbilled | 83,999 | 79,420
Billings in excess of costs and estimated earnings on uncompleted contracts – overbilled | (34,254) | (48,334)
Net underbilled position | $ 49,745 | $ 31,086

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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 3 -URI http://asc.fasb.org/extlink&oid=6802688&loc=d3e57788-111642 Reference 2: 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=6802688&loc=d3e57807-111642 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=6802688&loc=d3e57795-111642 + Details
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