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Allowance Accounts | 12 Months Ended
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Dec. 31, 2014
Allowance Accounts [Abstract] |
Allowance Accounts | Note 14 — 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, 2014 (in thousands):
|  | Allowance |  | Deferred |
|  | for |  | Tax Asset |
|  | Uncollectible |  | Valuation |
|  | Accounts |  | Allowance |
Balance at December 31, 2011 | $ | 4,000 | $ | 14,310 |
Additions (1) |  | 1,257 |  | 2,081 |
Deductions |  | (105) |  | - |
Balance at December 31, 2012 |  | 5,152 |  | 16,391 |
Additions (2) |  | 2,236 |  | 6,469 |
Deductions (3) |  | (5,154) |  | - |
Balance at December 31, 2013 | $ | 2,234 | $ | 22,860 |
Additions (4) |  | 5,331 |  | 216 |
Deductions (5) |  | (2,830) |  | - |
Balance at December 31, 2014 | $ | 4,735 | $ | 23,076 |
(1) The increase in valuation allowance includes $2.0 million related to our net operating losses generated in Australia and $0.1 million to our oil and gas operations in the United Kingdom. Our Australia deferred tax asset balance has a full valuation allowance against it in all periods presented. (2) The increase in valuation allowance includes $6.5 million related to our net operating losses generated in Australia. (3) The decrease primarily reflects the reversal of a $4 million allowance against our trade receivables for work performed offshore India in 2007 as we collected the previously adjusted receivable balance pursuant to a settlement agreement. (4) The increase in allowance for uncollectible accounts reflects charges associated with the provision for uncertain collection of a portion of our existing trade receivables related to our Robotics segment. (5) The decrease reflects the write-offs of trade receivables deemed uncollectible. See Note 2 for a detailed discussion regarding our accounting policy on accounts receivable and allowance for uncollectible accounts and Note 7 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 FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 + Details
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