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Allowance Accounts | 12 Months Ended
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Dec. 31, 2012
Allowance Accounts [Abstract] |
Allowance Accounts | Note 15 — Allowance Accounts The following table sets forth the activity in our valuation accounts for each of the three years in the period ended December 31, 2012 (in thousands):
|  | Allowance |  | Deferred |
|  | for |  | Tax Asset |
|  | Uncollectible |  | Valuation |
|  | Accounts |  | Allowance |
Balance at December 31, 2009 | $ | 5,105 | $ | - |
Additions (1) |  | 4,108 |  | 8,497 |
Deductions (2) |  | (4,753) |  | - |
Balance at December 31, 2010 |  | 4,460 |  | 8,497 |
Additions (3) |  | 61 |  | 5,813 |
Deductions |  | (521) |  | - |
Balance at December 31, 2011 |  | 4,000 |  | 14,310 |
Additions (4) |  | 1,257 |  | 2,081 |
Deductions |  | (105) |  | - |
Balance at December 31, 2012 | $ | 5,152 | $ | 16,391 |
(1) Amounts include a $4.0 million bad debt allowance related to a large international construction contract and a $7.3 million increase in valuation allowance related to our WOSEA operations with the remaining allowance being related to our acquisition of the remaining 50% of the Camelot field in the United Kingdom. (2) Includes the $3.7 million of bad debt expense related to settlement of third party claims related to a terminated international construction contract in Australia (Note 1 3). (3) The increase in valuation allowance includes $4.9 million related to our WOSEA and $0.9 million to our oil and gas operations in the United Kingdom. (4) The increase in valuation allowance includes $2.0 million related to our WOSEA operations and $0.1 million to our oil and gas operations in the United Kingdom. WOSEA has a full valuation allowance against its deferred tax asset balance. See Note 2 for a detailed discussion regarding our accounting policy on accounts receivable and allowance for uncollectible accounts and Note 8 for a detailed discussion of the valuation allowance related to our deferred tax assets.

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24092-122690 + Details
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