Condensed Consolidated Statements of Operations (Unaudited) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Jun. 29, 2014	Jun. 30, 2013
Sales:
Net sales	$ 21,698,000	$ 23,858,000
Net sales, related party	9,021,000	8,769,000
Total net sales	30,719,000	32,627,000
Cost of sales:
Cost of sales	12,353,000	11,812,000
Cost of sales, related party	3,838,000	3,907,000
Amortization of purchased intangible assets and inventory step-up cost	3,545,000	1,350,000
Research and development	8,243,000	6,180,000
Selling, general and administrative	10,077,000	7,354,000
Merger and acquisition costs	4,050,000	465,000
Restructuring charges and exit costs	400,000	1,000,000
Net change in fair value in contingent consideration	(431,000)
Total operating expenses	22,308,000	14,930,000
Total cost of sales	19,763,000	17,150,000
Income (loss) from operations	(11,352,000)	547,000
Other income and expense, net:
Interest income and other, net	290,000	287,000
Interest expense	(486,000)	(37,000)
Total other income and expense, net	(196,000)	250,000
Income (loss) before income taxes	(11,548,000)	797,000
Provision for (benefit from) income taxes	692,000	(9,000)
Net income (loss)	(12,240,000)	806,000
Less: Net income attributable to non-controlling interests	135,000
Net income (loss) attributable to Exar Corporation	(12,105,000)	806,000
Net income (loss) per share:
Basic (in Dollars per share)	$ (0.26)	$ 0.02
Diluted (in Dollars per share)	$ (0.26)	$ 0.02
Shares used in the computation of net income (loss) per share:
Basic (in Shares)	47,236	46,805
Diluted (in Shares)	47,236	48,085
Gross profit	10,956,000	15,477,000
Cost of Sales [Member]
Cost of sales:
Restructuring charges and exit costs	27,000	81,000
Operating Expense [Member]
Cost of sales:
Restructuring charges and exit costs	$ 369,000	$ 931,000