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Business Acquisitions and License Agreement - Summary of Purchase Price Allocation (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 30, 2014
Mar. 31, 2013
Mar. 13, 2014
Broadcom 10/40/100Gb Ethernet Business [Member]
Business Acquisition [Line Items]      
Inventories     $ 2,880
Other current assets     307
Property and equipment     2,455
Goodwill 194,107 110,976 83,131
Purchased intangible asset     60,100
Accrued compensation     (987)
Other current liabilities     (129)
Total purchase price     $ 147,757