Basis of Presentation - Additional Information (Detail) - Cavium, Inc [Member] $ / shares in Units, $ in Millions		3 Months Ended
	Jun. 15, 2016 USD ($)	Jul. 03, 2016	Jul. 13, 2016 $ / shares
Business Acquisition [Line Items]
Business combination agreement date		Jun. 15, 2016
Merger agreement termination fee | $	$ 47.8
Subsequent Event [Member]
Business Acquisition [Line Items]
Business acquisition, cash consideration offered, price per share | $ / shares			$ 11.00
Business acquisition, share consideration exchange ratio			0.098