Note 3 - Business Combinations (Details) - Fair Value Allocated to Tangible and Identifiable Intangible Assets (USD $) In Thousands, unless otherwise specified									0 Months Ended				0 Months Ended
	Jun. 29, 2014	Mar. 30, 2014	Mar. 31, 2013	Jul. 03, 2014 Developed Technology Rights [Member] Integrated Memory Logic Limited [Member]	Jul. 03, 2014 In Process Research and Development [Member] Integrated Memory Logic Limited [Member]	Jul. 03, 2014 Distribution Rights [Member] Integrated Memory Logic Limited [Member]	Jul. 03, 2014 Customer Relationships [Member] Integrated Memory Logic Limited [Member]	Jul. 03, 2014 Trade Names [Member] Integrated Memory Logic Limited [Member]	Jul. 03, 2014 Integrated Memory Logic Limited [Member]	Jun. 03, 2014 Integrated Memory Logic Limited [Member]	Jan. 14, 2014 Stretch [Member]	Jul. 05, 2013 Stretch [Member]	Jul. 05, 2013 Cadeka [Member]
Identifiable tangible assets (liabilities)
Cash									$ 133,752
Accounts receivable									10,096
Inventories									3,950
Other current assets									608
Property, plant and equipment									480
Other assets									308
Accrued expenses									(8,137)
Accounts payable									(4,219)
Long-term liabilities									(3,595)
Total identifiable tangible assets (liabilities), net									133,243		2,937	3,286
Identifiable intangible assets				55,570	8,040	5,980	9,050	1,120	79,760		7,010		20,380
Total identifiable assets, net									213,003
Goodwill	45,017	30,410	10,356						14,607		667		19,387
Liabilities assumed										(3,300)	(10,604)		(8,216)
Fair value of total consideration transferred									$ 227,610	$ 227,610	$ 10		$ 34,837