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Schedule 2-Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2013
Valuation And Qualifying Accounts [Abstract] |
Schedule 2-Valuation and Qualifying Accounts | Schedule 2—Valuation and Qualifying Accounts For the years ended December 31, 2013, 2012 and 2011:
|  |  |  |  | Additions |  |  |  |  |  |  |
(U.S. Dollars in thousands) Provisions from assets to which they apply: |  | Balance at beginning of year |  |  | Charged to cost and expenses |  |  | Charged (credited) to other accounts |  |  | Deductions/ Other |  |  | Balance at end of year |
2013 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts receivable |  | $ | 13,543 |  |  | $ | 6,003 |  |  |  | — |  |  | $ | (7,577 | ) |  | $ | 11,969 |
Deferred tax valuation allowance |  |  | 26,361 |  |  |  | 5,111 |  |  |  | — |  |  |  | — |  |  |  | 31,472 |
2012 (Restated) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts receivable |  | $ | 9,341 |  |  | $ | 10,387 |  |  | $ | (13 | ) |  | $ | (6,172 | ) |  | $ | 13,543 |
Deferred tax valuation allowance |  |  | 19,124 |  |  |  | 7,237 |  |  |  | — |  |  |  | — |  |  |  | 26,361 |
2011 (Restated) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts receivable |  | $ | 6,542 |  |  | $ | 12,879 |  |  | $ | (501 | ) |  | $ | (9,579 | ) |  | $ | 9,341 |
Deferred tax valuation allowance |  |  | 21,023 |  |  |  | (1,899 | ) |  |  | — |  |  |  | — |  |  |  | 19,124

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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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