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INCOME TAXES (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2013 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Current [Abstract] |  |  |  |
Federal |  | $ 18,253,000 | $ 9,375,000 | $ (3,136,000)
State |  | 2,621,000 | 1,439,000 | 223,000
Current income tax expense (benefit) |  | 20,874,000 | 10,814,000 | (2,913,000)
Deferred [Abstract] |  |  |  |
Federal |  | (706,000) | (2,235,000) | (7,002,000)
State |  | 54,000 | 26,000 | (945,000)
Deferred income tax expense (benefit) |  | (652,000) | (2,209,000) | (7,947,000)
Income tax expense (benefit) |  | 20,222,000 | 8,605,000 | (10,860,000)
Effective income tax rate reconciliation [Abstract] |  |  |  |
Statutory rates applied to income before income taxes |  | 18,370,000 | 8,231,000 | 1,565,000
State income taxes, net of Federal tax benefit |  | 1,610,000 | 769,000 | 143,000
Net permanent differences |  | 316,000 | 8,000 | 33,000
Change in deferred tax asset valuation allowance | (800,000) | (1,363,000) | (1,207,000) | (14,121,000)
Change in state credits |  | 1,466,000 | 1,129,000 | 717,000
Change for net operating loss carrybacks, amended returns and related receivables |  | (204,000) | 342,000 | 422,000
Change in deferred tax rate |  | 0 | (125,000) | 274,000
Change in reserve for uncertain tax positions |  | 0 | (674,000) | 42,000
Other |  | 27,000 | 132,000 | 65,000
Income tax expense (benefit) |  | 20,222,000 | 8,605,000 | (10,860,000)
Deferred tax assets [Abstract] |  |  |  |
Accounts receivable related |  | 610,000 | 578,000 |
Net property and equipment |  | 11,977,000 | 10,313,000 |
Leases |  | 5,007,000 | 5,608,000 |
Accrued liabilities |  | 776,000 | 655,000 |
State tax credits |  | 110,000 | 1,576,000 |
Pension |  | 4,633,000 | 9,515,000 |
Other |  | 28,000 | 37,000 |
Total deferred tax assets |  | 23,141,000 | 28,282,000 |
Deferred tax liabilities [Abstract] |  |  |  |
Inventory related |  | 8,951,000 | 8,446,000 |
Other |  | 643,000 | 702,000 |
Total deferred tax liabilities |  | 9,594,000 | 9,148,000 |
Valuation allowance |  | 0 | (1,363,000) |
Net deferred tax assets |  | 13,547,000 | 17,771,000 |
Current assets (liabilities) [Abstract] |  |  |  |
Current deferred assets |  | 11,048,000 | 5,060,000 |
Current deferred liabilities |  | (10,754,000) | (10,292,000) |
Valuation allowance |  | 0 | (1,363,000) | (2.6)
Deferred tax assets (liabilities), current |  | 294,000 | (6,595,000) |
Non-current assets (liabilities) [Abstract] |  |  |  |
Non-current deferred assets |  | 39,974,000 | 46,997,000 |
Non-current deferred liabilities |  | (26,721,000) | (22,631,000) |
Deferred tax assets (liabilities) non current |  | 13,253,000 | 24,366,000 |
Net deferred tax assets |  | 13,547,000 | 17,771,000 |
Reconciliation of unrecognized tax benefits [Roll Forward] |  |  |  |
Beginning balance | 0 | 0 | 783,000 | 785,000
Gross increases - tax positions in prior period |  | 0 | 0 | 38,000
Gross decreases - tax positions in prior period |  | 0 | 0 | (40,000)
Reductions related to settlements with taxing authorities and the lapse of the statute of limitations |  |  | (783,000) | 0
Ending balance |  | 0 | 0 | 783,000
Income tax penalties and accrued interest |  |  |  | $ 285,000

X
- Definition The portion of the difference between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to change for net operating loss carry backs, amended returns. + References No definition available. + Details
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