Summary Of Significant Accounting Policies (Summary of Statements of Operations Restatement Adjustments) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 29, 2015	Mar. 30, 2014	Dec. 28, 2014
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Income tax expense	$ (1,885)	$ (1,220)
Net loss	$ (2,559)	$ (129)	$ 10,953
Basic loss per share (USD per share)	$ (0.06)	$ 0.00
Diluted loss per share (USD per share)	$ (0.06)	$ 0.00
As Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Income tax expense	$ (71)
Net loss	$ (745)
Basic loss per share (USD per share)	$ (0.02)
Diluted loss per share (USD per share)	$ (0.02)
Restatement Adjustments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Income tax expense	$ (1,814)
Net loss	$ (1,814)
Basic loss per share (USD per share)	$ (0.04)
Diluted loss per share (USD per share)	$ (0.04)
Income Tax Adjustment [Member] | Restatement Adjustments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Income tax expense	$ 1,000
Net loss	$ 1,000