Business Combinations (Narrative) (Details) (USD $)
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3 Months Ended | 12 Months Ended | |||
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Mar. 30, 2014
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Mar. 31, 2013
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Dec. 29, 2013
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Dec. 30, 2012
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Dec. 29, 2013
Fiscal Year 2013 Acquisitions [Member]
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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. |