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Multiemployer Pension Plan Multiemployer Plans (Details) - Withdrawal from Multiemployer Defined Benefit Plan [Member] - USD ($)
$ in Thousands
3 Months Ended 18 Months Ended
Mar. 29, 2015
Dec. 29, 2013
Jun. 28, 2015
Loss Contingencies [Line Items]      
Withdrawal Obligation Payments     $ 1,014
Cost of Sales [Member]      
Loss Contingencies [Line Items]      
Loss Contingency Accrual, Period Increase (Decrease) $ (12,486) $ 13,500