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v3.3.1.900

Summary of Significant Accounting Policies (Narrative) (Details) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 26, 2015 USD ($) $ / shares | Sep. 26, 2015 USD ($) $ / shares | Jun. 27, 2015 USD ($) $ / shares | Mar. 28, 2015 USD ($) $ / shares | Dec. 27, 2014 USD ($) $ / shares | Sep. 27, 2014 USD ($) $ / shares | Jun. 28, 2014 USD ($) $ / shares | Mar. 29, 2014 USD ($) $ / shares | Sep. 28, 2013 USD ($) site | Dec. 26, 2015 USD ($) $ / shares | Dec. 27, 2014 USD ($) $ / shares | Dec. 28, 2013 USD ($) $ / shares | Mar. 01, 2014 USD ($) | Dec. 29, 2012 USD ($)
Cash Equivalents, at Carrying Value | $ 7,700 |  |  |  | $ 14,400 |  |  |  |  | $ 7,700 | $ 14,400 |  |  |
Allowance for Doubtful Accounts Receivable | 1,967 |  |  |  | 1,578 |  |  |  |  | 1,967 | 1,578 |  |  |
Impairment of Long-Lived Assets Held-for-use |  |  |  |  |  |  |  |  | $ 2,088 | 0 | 0 | $ 2,088 |  |
Properties impaired | site |  |  |  |  |  |  |  |  | 4 |  |  |  |  |
Self Insurance, Maximum of Workers Compensation Claims Liability per Associate per Claim |  |  |  |  |  |  |  |  |  | 2,000 |  |  |  |
Stop loss insurance specific deductible |  |  |  |  |  |  |  |  |  |  |  |  | $ 500 |
Stop loss insurance aggregating deductible |  |  |  |  |  |  |  |  |  |  |  |  | $ 250 |
Cost of Goods Sold, Vendor Allowances |  |  |  |  |  |  |  |  |  | 97,000 | 89,500 | 76,400 |  |
Vendor Paid Cooperative Advertising Credits |  |  |  |  |  |  |  |  |  | 17,100 | 16,000 | 16,000 |  |
Accounts Receivable, Earned Advertising Credits | 842 |  |  |  | 395 |  |  |  |  | 842 | 395 |  |  |
Accounts Receivable, Earned Promotional Discounts | 8,100 |  |  |  | 5,700 |  |  |  |  | 8,100 | 5,700 |  |  |
Unearned Income for Vendor Programs | 823 |  |  |  | 734 |  |  |  |  | 823 | 734 |  |  |
Advertising Expense |  |  |  |  |  |  |  |  |  | 23,100 | 24,600 | 23,500 |  |
Net income | $ 16,575 | $ 12,788 | $ 16,644 | $ 13,323 | $ 13,698 | $ 13,511 | $ 12,602 | $ 14,570 |  | $ 59,330 | $ 54,381 | $ 73,186 |  |
Basic and diluted earnings per share | $ / shares | $ 0.61 | $ 0.48 | $ 0.62 | $ 0.50 | $ 0.51 | $ 0.50 | $ 0.47 | $ 0.54 |  | $ 2.21 | $ 2.02 | $ 2.72 |  |
Liabilities | $ 364,212 |  |  |  | $ 346,356 |  |  |  |  | $ 364,212 | $ 346,356 |  |  |
Retained earnings | $ 1,007,894 |  |  |  | 980,842 |  |  |  |  | 1,007,894 | 980,842 |  |  |
Accounting Standards Update 2015-17 Member |  |  |  |  |  |  |  |  |  |  |  |  |  |
New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Current Deferred Income Taxes |  |  |  |  |  |  |  |  |  |  | 5,800 |  |  |
Prior to March 1, 2013 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Self Insurance, Annual Maximum of Health Claims Liability per Associate |  |  |  |  |  |  |  |  |  | 1,250 |  |  |  |
Between March 1, 2013 to March 1, 2014 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Self Insurance, Annual Maximum of Health Claims Liability per Associate |  |  |  |  |  |  |  |  |  | 2,000 |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property and Casualty Insurance, Deductible |  |  |  |  |  |  |  |  |  | 1,000 |  |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property and Casualty Insurance, Deductible |  |  |  |  |  |  |  |  |  | $ 100 |  |  |  |
Self-Insurance Error Correction [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  |  |  | $ (786) | $ 1,500 |  |
Basic and diluted earnings per share | $ / shares |  |  |  |  |  |  |  |  |  |  | $ 0.03 | $ 0.05 |  |
Liabilities |  |  |  |  | $ 13,100 |  |  |  |  |  | $ 13,100 |  |  |
Retained earnings |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 13,700

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