Annual report pursuant to Section 13 and 15(d)

Property, Plant, and Equipment Depreciation Expense (Details)

v2.4.1.9
Property, Plant, and Equipment Depreciation Expense (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 27, 2014
Dec. 28, 2013
Dec. 29, 2012
Property, Plant and Equipment [Abstract]      
Depreciation $ 7,717us-gaap_Depreciation $ 6,511us-gaap_Depreciation $ 6,514us-gaap_Depreciation