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Operations and Summary of Significant Accounting Policies (Details 6) (USD $)
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12 Months Ended |
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Dec. 27, 2014
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Dec. 28, 2013
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Dec. 29, 2012
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| Self-Insurance Reserves |
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| Annual claims threshold per covered participant for stop loss coverage |
$ 100,000 |
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| Aggregate claims threshold for stop loss coverage |
1,500,000 |
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| Estimated unpaid claims included in accrued liabilities |
300,000 |
300,000 |
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| Selling and Administrative Expenses |
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| Advertising costs included in selling, general and administration expenses |
1,400,000 |
900,000 |
900,000 |
| Costs and fees relating to execution of in-store product demonstrations |
$ 1,700,000 |
$ 2,200,000 |
$ 1,900,000 |
| Stock Options | Minimum |
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| Stock Options and Stock-Based Compensation |
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| Requisite period of the award over which stock based compensation award expenses are recognized |
1 year |
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| Stock Options | Maximum |
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| Stock Options and Stock-Based Compensation |
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| Requisite period of the award over which stock based compensation award expenses are recognized |
5 years |
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| Restricted Stock | Minimum |
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| Stock Options and Stock-Based Compensation |
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| Requisite period of the award over which stock based compensation award expenses are recognized |
1 year |
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| Restricted Stock | Maximum |
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| Stock Options and Stock-Based Compensation |
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| Requisite period of the award over which stock based compensation award expenses are recognized |
5 years |
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