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Income Taxes (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 28, 2013 | Dec. 29, 2012 | Dec. 31, 2011
Income Tax Disclosure [Abstract] |  |  |
Tax Credit Carryforward, Amount | $ 2,300,000 | $ 2,600,000 |
Current tax expense |  |  |
Federal | 175,039,000 | 165,519,000 | 112,142,000
State | 19,129,000 | 20,342,000 | 13,878,000
Total current | 194,168,000 | 185,861,000 | 126,020,000
Deferred tax expense (benefit) |  |  |
Deferred Federal Income Tax Expense (Benefit) | (5,341,000) | (20,857,000) | 3,220,000
Deferred State and Local Income Tax Expense (Benefit) | (2,968,000) | (5,724,000) | (1,364,000)
Total deferred taxes | (8,309,000) | (26,581,000) | 1,856,000
Total provision | 185,859,000 | 159,280,000 | 127,876,000
Current tax assets |  |  |
Inventory valuation | 12,133,000 | 11,981,000 |
Accrued employee benefit costs | 23,184,000 | 27,636,000 |
Accrued sales taxes | 1,905,000 | 3,564,000 |
Other | 10,388,000 | 8,439,000 |
Total current deferred tax assets | 47,610,000 | 51,620,000 |
Current tax liabilities |  |  |
Inventory basis difference | (14,470,000) | (26,182,000) |
Prepaid Expenses | (2,100,000) | (1,541,000) |
Other | (1,202,000) | (799,000) |
Total current deferred tax liability | (17,772,000) | (28,522,000) |
Net current tax asset | 29,838,000 | 23,098,000 |
Non-current tax assets |  |  |
Deferred tax assets leasing arrangements | 987,000 | 1,001,000 |
Rent expenses in excess of cash payments required | 25,229,000 | 25,263,000 |
Deferred compensation | 16,394,000 | 17,970,000 |
Workers compensation insurance | 5,734,000 | 0 |
Other | 6,923,000 | 4,574,000 |
Valuation allowance | 0 | (862,000) |
Total non current deferred tax asset | 55,267,000 | 47,946,000 |
Non-current tax liabilities |  |  |
Depreciation | (51,547,000) | (47,219,000) |
Capital lease assets basis difference | (489,000) | (511,000) |
Other | (3,139,000) | (1,693,000) |
Total non current deferred tax liabilities | (55,175,000) | (49,423,000) |
Deferred tax liability net noncurrent | 0 | (1,477,000) |
Deferred tax assets net noncurrent | 92,000 | 0 |
Net deferred tax asset | 29,930,000 | 21,621,000 |
Provision for income tax reconciliation to amounts computed at the federal statutory rate |  |  |
Tax provision at statutory rate | 179,933,000 | 152,508,000 | 122,715,000
State income taxes, net of federal tax benefits | 10,505,000 | 9,502,000 | 8,134,000
Permanent differences | (4,579,000) | (2,730,000) | (2,973,000)
Total provision | 185,859,000 | 159,280,000 | 127,876,000
Unrecognized tax benefits that would Impact effective tax rate | 1,600,000 |  |
Reconciliation of gross unrecognized tax benefits [Roll Forward] |  |  |
Balance at beginning of period | 5,898,000 | 5,774,000 | 4,801,000
Additions based on tax positions related to the current period | 741,000 | 1,358,000 | 1,611,000
Additions for tax positions of prior periods | 0 | 0 | 0
Reductions for tax positions of prior periods | (3,937,000) | (1,234,000) | (638,000)
Reductions due to audit results | (220,000) | 0 | 0
Balance at end of period | 2,482,000 | 5,898,000 | 5,774,000
Overall decrease in unrecognized tax benefits, minimum | 100,000 |  |
Overall decrease in unrecognized tax benefits, maximum | $ 300,000 |  |

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