Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 28, 2014	Sep. 29, 2013	Sep. 28, 2014	Sep. 29, 2013
Sales:
Net sales	$ 34,369	$ 24,978	$ 56,067	$ 48,836
Net sales, related party	8,790	9,040	17,811	17,809
Total net sales	43,159	34,018	73,878	66,645
Cost of sales:
Cost of sales	19,747	12,371	32,100	24,183
Cost of sales, related party	3,471	4,156	7,309	8,063
Amortization of purchased intangible assets and inventory step-up	3,137	2,098	6,682	3,448
Impairment of Intangibles	12,300		12,284
Warranty Reserve		1,440		1,440
Restructuring charges and exit costs	6,600	400	7,000	1,400
Total cost of sales	39,027	20,089	58,790	37,239
Gross profit	4,132	13,929	15,088	29,406
Operating expenses:
Research and development	10,369	7,136	18,612	13,316
Selling, general and administrative	11,597	9,376	21,674	16,730
Merger and acquisition costs	2,726	144	6,776	609
Net change in fair value of contingent consideration	(3,912)	(2,495)	(4,343)	(2,495)
Total operating expenses	26,962	14,545	49,270	29,475
Loss from operations	(22,830)	(616)	(34,182)	(69)
Other income and expense, net:
Interest income and other, net	177	372	467	659
Interest expense	(494)	(41)	(980)	(78)
Total other income and expense, net	(317)	331	(513)	581
Income (Loss) before income taxes	(23,147)	(285)	(34,695)	512
(Benefit) Provision for income taxes	107	(6,767)	799	(6,776)
Net income (loss)	(23,254)	6,482	(35,494)	7,288
Less: Net income (loss) attributable to non-controlling interests	98	0	(37)	0
Net income (loss) attributable to Exar Corporation	(23,352)	6,482	(35,457)	7,288
Net income (loss) per share:
Basic (in Dollars per share)	$ (0.50)	$ 0.14	$ (0.75)	$ 0.15
Diluted (in Dollars per share)	$ (0.50)	$ 0.13	$ (0.75)	$ 0.15
Shares used in the computation of net income (loss) per share:
Basic (in Shares)	47,139	47,496	47,188	47,151
Diluted (in Shares)	47,139	49,150	47,188	48,647
Cost of Sales [Member]
Cost of sales:
Impairment of Intangibles	8,367		8,367
Restructuring charges and exit costs	4,305	24	4,332	105
Operating Expense [Member]
Cost of sales:
Impairment of Intangibles	3,917		3,917
Restructuring charges and exit costs	$ 2,265	$ 384	$ 2,634	$ 1,315