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Insurance Reserves	12 Months Ended
Insurance Reserves	Dec. 27, 2016
Supplementary Insurance Information [Abstract]
Insurance Reserves	Insurance Reserves The Company recorded estimated liabilities for claims loss reserves of $30.5 million and $34.0 million at December 27, 2016 and December 29, 2015, respectively. These estimates are recorded net of amounts expected to be recovered from the third party insurance carrier for claims in excess of self-insured retentions of $7.5 million and $8.2 million at December 27, 2016 and December 29, 2015, respectively.