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Related Party Transactions (Details) - Director [Member] - Purchases of Raw Materials [Member] - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 26, 2015
Sep. 27, 2014
Sep. 26, 2015
Sep. 27, 2014
Dec. 27, 2014
Related Party Transaction [Line Items]          
Purchases of raw materials $ 0.6 $ 0.0 $ 0.8 $ 0.0  
Accounts payable to Horizon $ 0.5   $ 0.5   $ 0.1