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Embezzlement (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 26, 2015 | Dec. 31, 2016 | Dec. 26, 2015 | Dec. 27, 2014 | Dec. 28, 2013
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |
Unusual or Infrequent Item, or Both, Loss, Gross |  |  | $ (85,000) | $ (46,000) |
Unusual or Infrequent Item, or Both, Tax Effect |  |  | (253,000) | (167,000) |
Unusual or Infrequent Item, or Both, Net of Insurance Proceeds | $ (338,000) |  |  | (213,000) |
Unusual or Infrequent Item, or Both, Net (Gain) Loss |  | $ 480,000 | $ 338,000 | $ 213,000 | $ 558,000
Unusual or Infrequent Item, or Both, Gain, Gross |  | $ 1,589,000 |  |  |

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- Definition Amount of gain recognized in the income statement for an event or transaction that is unusual in nature or infrequent in occurrence, or both. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64828382&loc=d3e15138-107781 + Details
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- Definition Amount, before deduction of insurance proceeds, of loss recognized in the income statement for an event or transaction that is unusual in nature or infrequent in occurrence, or both. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64828382&loc=d3e15138-107781 + Details
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- Definition Amount of (gain) loss for an event or transaction that is unusual in nature or occurs infrequently, or both. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64828382&loc=d3e15138-107781 + Details
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- Definition Amount of tax related to an event or transaction that is unusual in nature or infrequent in occurrence, or both. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64828382&loc=d3e15138-107781 + Details
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