Fair Value Measurement, Financial Instruments And Risk Management (Narrative) (Details) € in Millions	3 Months Ended		12 Months Ended
	Mar. 27, 2016 USD ($)	Mar. 29, 2015 USD ($)	Dec. 27, 2015 USD ($)	Mar. 27, 2016 EUR (€)	Mar. 27, 2016 USD ($)
Fair Value Disclosures [Line Items]
Asset Derivatives			$ 109,000		$ 43,000
Liability Derivatives			135,000		629,000
Change in realized and unrealized losses on derivative hedges, net of tax	$ (311,000)	$ 0	(125,000)
Foreign currency forward exchange contracts
Fair Value Disclosures [Line Items]
Notional amount of derivatives not designated as hedging instruments					15,600,000
Asset Derivatives			109,000		38,000
Liability Derivatives					323,000
Cash flow hedge derivative instrument sssets at fair value					5,000
Cash flow hedge derivative instrument liabilities at fair value					300,000
Other comprehensive income (loss), unrealized gain (loss) on derivatives, before tax	400,000
Change in realized and unrealized losses on derivative hedges, net of tax	0
Hedge ineffectiveness	$ 0
Foreign currency revenue forecast contracts
Fair Value Disclosures [Line Items]
Notional amount of derivatives not designated as hedging instruments				€ 15.0	16,500,000
Asset Derivatives					5,000
Liability Derivatives			$ 135,000		306,000
Price risk cash flow hedge unrealized gain (loss)					$ 400,000