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Intangible Assets and Goodwill - Goodwill (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2016
USD ($)
reporting_unit
Dec. 26, 2015
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]    
Number of reporting units | reporting_unit 2  
Goodwill | $ $ 45,128 $ 45,128