Commitments And Contingencies (Schedule Of Future Rental Commitments) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 30, 2013
Rental Commitments [Line Items]
2014	$ 2,873
2015	2,848
2016	2,273
2017	2,208
2018	543
Thereafter	69
Total minimum lease payment	10,814
Facilities [Member]
Rental Commitments [Line Items]
2014	2,974
2015	2,919
2016	2,271
2017	2,208
2018	543
Thereafter	69
Total minimum lease payment	10,984
Subleases [Member]
Rental Commitments [Line Items]
2014	112
2015	76
2016	0
2017	0
2018	0
Thereafter	0
Total minimum lease payment	188
Net Facilities Commitments [Member]
Rental Commitments [Line Items]
2014	2,862
2015	2,843
2016	2,271
2017	2,208
2018	543
Thereafter	69
Total minimum lease payment	10,796
Equipment Commitments [Member]
Rental Commitments [Line Items]
2014	11
2015	5
2016	2
2017	0
2018	0
Thereafter	0
Total minimum lease payment	$ 18