Accounts Receivable Reserve (Details) (Accounts receivable, billed and unbilled, USD $) |
12 Months Ended | ||
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Sep. 30, 2011 |
Sep. 30, 2010 |
Sep. 30, 2009 |
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Accounts receivable, billed and unbilled |
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| Changes in the reserves against current billed accounts receivable | |||
| Balance at beginning of year | $ 1,845,000 | $ 5,249,000 | $ 4,930,000 |
| Additions to reserve | 3,063,000 | 1,594,000 | 1,486,000 |
| Deductions | (1,643,000) | (4,998,000) | (1,167,000) |
| Balance at end of year | 3,265,000 | 1,845,000 | 5,249,000 |
| Contractual retainage provisions | $ 4,200,000 | $ 3,300,000 | |
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- Definition Amounts due for services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the Entity and, at a minimum, one other party, which amounts are withheld by the contracting party pending the Entity's compliance or performance in conformity with the terms of the contract. Such billed but unpaid amounts are generally expected to be collected upon complying with certain contractual terms or satisfaction and release by the contracting party. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.
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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, charged to costs and expenses. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Total of the deductions in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, representing receivables written off as uncollectible and portions of the reserves utilized, respectively. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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