v3.4.0.3

FAIR VALUE MEASUREMENTS (Tables) | 3 Months Ended
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Mar. 31, 2016
Fair Value Disclosures [Abstract] |
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] | The following assets and liabilities are measured at fair value on a recurring basis:
| March 31, 2016
| Level 1 |  | Level 2 |  | Level 3 |  | Total
| (Thousands of Dollars)
Assets: |  |  |  |  |  |  |
Other current assets: |  |  |  |  |  |  |
Product imbalances | $ | 4,321 |  |  | $ | — |  |  | $ | — |  |  | $ | 4,321 |
Commodity derivatives | 1,671 |  |  | 69 |  |  | — |  |  | 1,740 |
Total | $ | 5,992 |  |  | $ | 69 |  |  | $ | — |  |  | $ | 6,061 |
Liabilities: |  |  |  |  |  |  |
Accrued liabilities: |  |  |  |  |  |  |
Product imbalances | $ | (433 | ) |  | $ | — |  |  | $ | — |  |  | $ | (433 | )
Commodity derivatives | (751 | ) |  | (133 | ) |  | — |  |  | (884 | )
Other long-term liabilities: |  |  |  |  |  |  |
Guarantee liability | — |  |  | — |  |  | (1,400 | ) |  | (1,400 | )
Interest rate swaps | — |  |  | (28,675 | ) |  | — |  |  | (28,675 | )
Total | $ | (1,184 | ) |  | $ | (28,808 | ) |  | $ | (1,400 | ) |  | $ | (31,392 | )
| December 31, 2015
| Level 1 |  | Level 2 |  | Level 3 |  | Total
| (Thousands of Dollars)
Assets: |  |  |  |  |  |  |
Other current assets: |  |  |  |  |  |  |
Product imbalances | $ | 179 |  |  | $ | — |  |  | $ | — |  |  | $ | 179 |
Commodity derivatives | 11,325 |  |  | 77 |  |  | — |  |  | 11,402 |
Other long-term assets, net: |  |  |  |  |  |  |
Interest rate swaps | — |  |  | 2,755 |  |  | — |  |  | 2,755 |
Total | $ | 11,504 |  |  | $ | 2,832 |  |  | $ | — |  |  | $ | 14,336 |
Liabilities: |  |  |  |  |  |  |
Accrued liabilities: |  |  |  |  |  |  |
Product imbalances | $ | (419 | ) |  | $ | — |  |  | $ | — |  |  | $ | (419 | )
Commodity derivatives | — |  |  | (120 | ) |  | — |  |  | (120 | )
Other long-term liabilities: |  |  |  |  |  |  |
Guarantee liability | — |  |  | — |  |  | (1,697 | ) |  | (1,697 | )
Interest rate swaps | — |  |  | (1,452 | ) |  | — |  |  | (1,452 | )
Total | $ | (419 | ) |  | $ | (1,572 | ) |  | $ | (1,697 | ) |  | $ | (3,688 | )
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] | The following table summarizes the activity in our Level 3 liabilities:
| Three Months Ended March 31, 2016
| (Thousands of Dollars)
Beginning balance | $ | 1,697 |
Adjustments to guarantee liability | (297 | )
Ending balance | $ | 1,400 |
Fair Value and Carrying Value of Debt and Note Receivable [Table Text Block] | The estimated fair values and carrying amounts of the long-term debt and the Axeon Term Loan were as follows:
| March 31, 2016 |  | December 31, 2015
| Fair Value |  | Carrying Amount |  | Fair Value |  | Carrying Amount
| (Thousands of Dollars)
Long-term debt | $ | 2,980,166 |  |  | $ | 3,125,650 |  |  | $ | 2,929,438 |  |  | $ | 3,055,612 |
Axeon Term Loan | $ | 173,197 |  |  | $ | 170,055 |  |  | $ | 172,123 |  |  | $ | 170,352 |

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- Definition Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19279-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a,b,bb) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2C -URI http://asc.fasb.org/extlink&oid=36462937&loc=SL7498348-110258 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19190-110258 + Details
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- Definition Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19279-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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