v2.4.0.8

INTANGIBLE ASSETS (Tables) | 12 Months Ended
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Dec. 31, 2013
Finite-Lived Intangible Assets, Net [Abstract] |
Schedule of Finite-Lived Intangible Assets by Major Class [Table Text Block] | Intangible assets consisted of the following:
| December 31, 2013 |  | December 31, 2012
| Cost |  | Accumulated Amortization |  | Cost |  | Accumulated Amortization
| (Thousands of Dollars)
Customer relationships | $ | 127,614 |  |  | $ | (58,230 | ) |  | $ | 137,470 |  |  | $ | (46,951 | )
Other | 2,359 |  |  | (494 | ) |  | 2,359 |  |  | (443 | )
Total | $ | 129,973 |  |  | $ | (58,724 | ) |  | $ | 139,829 |  |  | $ | (47,394 | )
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] | The estimated aggregate amortization expense for the next five years is as follows:
| Amortization Expense
| (Thousands of Dollars)
2014 | $ | 12,579 |
2015 | $ | 9,709 |
2016 | $ | 6,840 |
2017 | $ | 6,840 |
2018 | $ | 6,840 |

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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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