INCOME TAXES (Schedule Of Significant Component Of Deferred Tax Assets) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 30, 2013	Mar. 31, 2012
INCOME TAXES [Abstract]
Inventory write downs	$ 3,128	$ 3,277
Temporary investment impairment	307	757
Accrued liabilities	3,496	3,206
Depreciation and amortization	615	660
Stock compensation	4,065	3,444
Deferred revenue on shipments to distributors	432	528
Allowances for doubtful accounts and sales returns	93	138
Accrued employee benefits	592	673
Other	1,724	1,295
Gross deferred tax assets	14,452	13,978
Valuation allowance	(1,276)	(947)
Deferred tax assets, net of valuation allowance	13,176	13,031
Deferred tax liabilities	(115)	(127)
Net deferred tax assets	$ 13,061	$ 12,904