Summary of Significant Accounting Policies (Deferred Financing Fees) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 27, 2015	Dec. 28, 2014	Dec. 31, 2013
Deferred Financing Fees [Line Items]
Amortization of deferred financing fees	$ 2,944	$ 3,116	$ 3,574
Interest expense [Member]
Deferred Financing Fees [Line Items]
Amortization of deferred financing fees	$ 2,900	$ 3,100	$ 3,600

Amount of noncash expense included in interest expense to issue debt and obtain financing associated with the related debt instruments. Alternate captions include noncash interest expense.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.8)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Paragraph 8
-Article 9

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