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Income Taxes (Details) - USD ($) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 27, 2014 | Dec. 26, 2015 | Dec. 27, 2014 | Dec. 28, 2013
Income Tax Disclosure [Abstract] |  |  |  |
Deferred Tax Assets, Valuation Allowance |  | $ 0 | $ 0 |
Tax Credit Carryforward, Amount |  | 4,400,000 | 5,000,000 |
Current tax expense |  |  |  |
Federal |  | 225,253,000 | 211,383,000 | $ 175,039,000
State |  | 17,419,000 | 25,133,000 | 19,129,000
Total current |  | 242,672,000 | 236,516,000 | 194,168,000
Deferred tax expense (benefit) |  |  |  |
Deferred Federal Income Tax Expense (Benefit) |  | (7,017,000) | (14,493,000) | (5,341,000)
Deferred State and Local Income Tax Expense (Benefit) |  | 1,567,000 | (5,321,000) | (2,968,000)
Total deferred taxes |  | (5,450,000) | (19,814,000) | (8,309,000)
Total provision |  | 237,222,000 | 216,702,000 | 185,859,000
Current tax assets |  |  |  |
Inventory valuation |  | 18,147,000 | 16,602,000 |
Accrued employee benefit costs |  | 21,368,000 | 18,770,000 |
Accrued sales tax audit reserve |  | 2,316,000 | 2,053,000 |
Other |  | 10,369,000 | 11,585,000 |
Total current deferred tax assets |  | 52,200,000 | 49,010,000 |
Current tax liabilities |  |  |  |
Inventory basis difference |  | (3,497,000) | (4,657,000) |
Prepaid Expenses |  | (2,108,000) | (2,109,000) |
Other |  | (625,000) | (1,282,000) |
Total current deferred tax liability |  | (6,230,000) | (8,048,000) |
Net current tax asset |  | 45,970,000 | 40,962,000 |
Non-current tax assets |  |  |  |
Rent expenses in excess of cash payments required |  | 29,179,000 | 27,166,000 |
Deferred compensation |  | 20,125,000 | 17,956,000 |
Workers compensation insurance |  | 7,233,000 | 6,989,000 |
General liability insurance |  | 3,141,000 | 2,741,000 |
Lease exit obligation |  | 2,378,000 | 2,437,000 |
Income tax credits |  | 825,000 | 2,205,000 |
Accrued sales tax audit reserve |  | 2,505,000 | 2,085,000 |
Other |  | 3,274,000 | 3,745,000 |
Total non current deferred tax asset |  | 68,660,000 | 65,324,000 |
Non-current tax liabilities |  |  |  |
Depreciation |  | (55,805,000) | (52,626,000) |
Other |  | (3,631,000) | (3,916,000) |
Total non current deferred tax liabilities |  | (59,436,000) | (56,542,000) |
Deferred tax assets net noncurrent |  | 9,224,000 | 8,782,000 |
Net deferred tax asset |  | 55,194,000 | 49,744,000 |
Provision for income tax reconciliation to amounts computed at the federal statutory rate |  |  |  |
Tax provision at statutory rate |  | 226,666,000 | 205,656,000 | 179,933,000
State income taxes, net of federal tax benefits |  | 12,341,000 | 12,878,000 | 10,505,000
Permanent differences |  | (1,785,000) | (1,832,000) | (4,579,000)
Total provision |  | 237,222,000 | 216,702,000 | 185,859,000
Unrecognized tax benefits that would Impact effective tax rate |  | 1,900,000 |  |
Reconciliation of gross unrecognized tax benefits |  |  |  |
Balance at beginning of period | $ 2,482,000 | 3,500,000 | 2,482,000 | 5,898,000
Additions based on tax positions related to the current period | 1,104,000 | 869,000 |  | 741,000
Additions for tax positions of prior periods | 280,000 | 0 |  | 0
Reductions for tax positions of prior periods | (366,000) | (1,447,000) |  | (3,937,000)
Reductions due to audit results | $ 0 | 0 |  | (220,000)
Balance at end of period |  | 2,922,000 | $ 3,500,000 | $ 2,482,000
Overall decrease in unrecognized tax benefits, minimum |  | 200,000 |  |
Overall decrease in unrecognized tax benefits, maximum |  | $ 600,000 |  |

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- Definition The tax effect as of the balance sheet date of the current portion of the amount of the estimated future tax effects arising from sales tax audits, which can only be deducted for tax purposes when losses pertaining to such taxes are actually incurred, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken. + References No definition available. + Details
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