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Business Combinations (Narrative) (Details) (USD $)
3 Months Ended 12 Months Ended
Mar. 30, 2014
Mar. 31, 2013
Dec. 29, 2013
Dec. 30, 2012
Dec. 29, 2013
Fiscal Year 2013 Acquisitions [Member]
Business Acquisition [Line Items]          
Cash paid to the shareholders         $ 11,400,000
Business Acquisition, Cost of Acquired Entity, Liabilities Incurred, Contingent Consideration at Fair Value         1,100,000
Total transaction costs 100,000 100,000      
Number of Years in Measurement Period from Acquisition Date to Change Underlying Assumptions 1 year        
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High 31,400,000       2,200,000
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value $ 4,981,000 $ 2,727,000 $ 4,926,000 $ 3,017,000  
Business Combination, Contingent Consideration Arrangements, Maximum Period 3 years        
Business Combination, Contingent Consideration Arrangements, Description Contingent consideration is measured at fair value at the acquisition date, based on the probability that revenue thresholds or product development milestones will be achieved during the earnout period, with changes in the fair value after the acquisition date affecting earnings to the extent it is to be settled in cash.