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FAIR VALUE MEASUREMENTS (Tables) | 9 Months Ended
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Sep. 30, 2019
Fair Value Disclosures [Abstract] |
Fair Value Measurements and Fair Value Hierarchy for Assets and Liabilities | Fair value measurements and the fair value hierarchy level for the Company’s assets and liabilities measured at fair value on a recurring basis, are shown below (in thousands):
|  | Frequency |  | Asset / (Liability) |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
September 30, 2019 |  |  |  |  |  |  |  |  |  |
Commodity swap contracts |  | Recurring |  | (2,236 | ) |  | — |  |  | (2,236 | ) |  | — |
Mutual funds |  | Recurring |  | 6,499 |  |  | 6,499 |  |  | — |  |  | — |
Life-insurance contracts |  | Recurring |  | 16,180 |  |  | — |  |  | 16,180 |  |  | — |
December 31, 2018 |  |  |  |  |  |  |  |  |  |
Commodity swap contracts |  | Recurring |  | (1,129 | ) |  | — |  |  | (1,129 | ) |  | — |
Mutual funds |  | Recurring |  | 4,140 |  |  | 4,140 |  |  | — |  |  | — |
Life-insurance contracts |  | Recurring |  | 15,333 |  |  | — |  |  | 15,333 |  |  | — |
Financial Assets and Liabilities Accounted For at Fair Value on Recurring Basis | The Company’s carrying and estimated fair value of debt at September 30, 2019 and December 31, 2018 were as follows (in thousands):
| September 30, 2019 |  | December 31, 2018
| Carrying Value |  | Fair Value |  | Carrying Value |  | Fair Value
|  | Level 1 |  | Level 2 |  | Level 3 |  |  | Level 1 |  | Level 2 |  | Level 3
Instrument |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes due 2025 | $ | 320,411 |  |  | $ | — |  |  | $ | 318,500 |  |  | $ | — |  |  | $ | 319,941 |  |  | $ | — |  |  | $ | 278,688 |  |  | $ | — |
Term loan credit agreement | 154,711 |  |  | — |  |  | 155,228 |  |  | — |  |  | 184,957 |  |  | — |  |  | 181,985 |  |  | — |
| $ | 475,122 |  |  | $ | — |  |  | $ | 473,728 |  |  | $ | — |  |  | $ | 504,898 |  |  | $ | — |  |  | $ | 460,673 |  |  | $ | — |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19279-110258 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2C -URI http://asc.fasb.org/extlink&oid=99377789&loc=SL7498348-110258 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19190-110258 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19190-110258 + Details
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