Balance Sheet Detail (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 03, 2016	Mar. 29, 2015	Mar. 30, 2014
Inventories, net
Raw materials	$ 3,251	$ 4,709
Work-in-process	29,408	18,377
Finished goods	21,584	22,324
Total inventories, net	54,243	45,410
Property, plant and equipment, net
Total property, plant and equipment, gross	311,178	351,789
Less: accumulated depreciation	(237,301)	(286,281)
Total property, plant and equipment, net	73,877	65,508
Other current liabilities
Accrued restructuring costs	2,641	10,512
Other	12,333	7,070
Total other current liabilities	14,974	17,582
Other long-term obligations
Deferred compensation related liabilities	13,052	13,143
Other	8,212	4,462
Total other long-term liabilities	21,264	17,605
Depreciation	18,346	18,808	$ 20,872
Land
Property, plant and equipment, net
Land	11,535	11,578
Machinery and Equipment
Property, plant and equipment, net
Machinery and equipment	250,628	292,180
Building and Leasehold Improvements
Property, plant and equipment, net
Building and leasehold improvements	49,015	48,031
High-Speed Converter Business
Other long-term obligations
Accrued severance costs	1,500	$ 10,200
Zentrum Mikroelektronik Dresden AG
Other long-term obligations
Accrued severance costs	1,200
Employee Severance
Other long-term obligations
Accrued severance costs	$ 100