v2.4.0.8

COMMITMENTS AND CONTINGENCIES (Tables) | 12 Months Ended
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Dec. 31, 2013
Commitments and Contingencies Disclosure [Abstract] |
Schedule of Future Minimum Payments for Operating Leases and Purchase Obligations [Table Text Block] | Future minimum rental payments applicable to all noncancellable operating leases and purchase obligations as of December 31, 2013 are as follows:
| Payments Due by Period
| 2014 |  | 2015 |  | 2016 |  | 2017 |  | 2018 |  | There- after |  | Total
| (Thousands of Dollars)
Operating leases | $ | 30,300 |  |  | $ | 24,886 |  |  | $ | 21,274 |  |  | $ | 18,954 |  |  | $ | 16,980 |  |  | $ | 80,090 |  |  | $ | 192,484 |
Purchase obligations: | 8,571 |  |  | 5,108 |  |  | 3,841 |  |  | 694 |  |  | 216 |  |  | — |  |  | 18,430 |

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- Definition Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases and purchase obligations having initial noncancelable terms in excess of one year. + References No definition available. + Details
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