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Accounts Receivable, Net of Allowance (Tables) | 9 Months Ended
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Sep. 30, 2015
Accounts Receivable [Member] |
Schedule of Accounts Receivable, Net of Allowance [Line Items] |
Schedule of Accounts Receivable, Net of Allowance | The following table provides details of accounts receivable, net of allowance, as of the dates indicated (in millions):
| September 30, 2015 |  | December 31, 2014
Contract billings | $ | 512.3 |  |  | $ | 669.7 |
Retainage | 164.0 |  |  | 162.2 |
Costs and earnings in excess of billings | 356.0 |  |  | 485.6 |
Accounts receivable, gross | $ | 1,032.3 |  |  | $ | 1,317.5 |
Less allowance for doubtful accounts | (8.6 | ) |  | (13.9 | )
Accounts receivable, net | $ | 1,023.7 |  |  | $ | 1,303.6 |

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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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