Balance Sheet Details (Details 1) (USD $) In Thousands, unless otherwise specified	Jul. 01, 2012	Apr. 01, 2012
Summary of Other Current Liabilities
Short-term lease financing obligations	$ 2,826	$ 3,216
Accrued restructuring charges and exit costs	2,665	5,699
Accrued legal and professional services	2,217	2,325
Accrued manufacturing expenses, royalties and licenses	860	696
Accrued sales and marketing expenses	677	937
Other	800	742
Total other current liabilities	$ 10,045	$ 13,615