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Fair Value of Financial Instruments (Schedule of Contingent Consideration) (Details) - USD ($)
$ in Thousands
3 Months Ended
Jun. 24, 2017
Mar. 25, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair Value (in thousands) $ 646 $ 4,695
Tranche B - 30 month earn out period    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Maximum Value if Milestones Achieved (in thousands) $ 5,000  
Estimated Discount Rate (%) 7.70%  
Fair Value (in thousands) $ 646