Commitments and Contingencies - Additional Information (Detail) (USD $)	0 Months Ended					1 Months Ended		3 Months Ended	12 Months Ended			30 Months Ended	36 Months Ended
	Jul. 03, 2012	Mar. 16, 2012	Dec. 15, 2011 patent	Oct. 12, 2011	Oct. 06, 2011 patent	Mar. 16, 2012	Dec. 16, 2011 patent	Sep. 30, 2012	Jun. 29, 2014	Jun. 30, 2013	Jul. 01, 2012	Jun. 29, 2014	Jun. 29, 2014	May 21, 2014 director	Oct. 06, 2011 patent	Aug. 03, 2011 patent	May 31, 2011 patent	Oct. 14, 2010 patent	Feb. 23, 2010 patent	Sep. 14, 2009 patent	Jun. 29, 2014 Prepaid expenses and other current assets	Jun. 29, 2014 Other assets	Jun. 29, 2014 Customer royalty reimbursements	Jun. 28, 2015 Scenario, Forecast Mitigation Product Redesign And Appeal Related Expenses	Jul. 17, 2014 Subsequent Event director
Contingencies And Commitments [Line Items]
Total rent expense									$ 7,800,000	$ 5,000,000	$ 5,200,000
Number of patents involved in the Broadcom infringement lawsuit																				10
Number of additional patents involved in the infringement lawsuit in the first amendment																			1
Number of patents dismissed from case																1	2	3
Remaining number of patents															4	6	7
Number of patents settled partially															2
Number of patents for which judgments were issued			2		1		1
Loss contingency				400,000
Sunset period related to '150 and '691 patents		18 months
Sunset period royalty rate						9.00%
Settlement amount per patent license and release agreement	58,000,000								5,000,000
Settlement liabilities, current									3,800,000			3,800,000	3,800,000
Payment for settlement agreement								58,000,000
Litigation settlement expense											36,800,000
License term for amortization of prepaid license fees											10 years
Unamortized prepaid license fees									13,100,000		21,200,000	13,100,000	13,100,000								3,800,000	9,300,000
Amortization expense for patent prepaid license fees and sunset period royalty									4,000,000	4,100,000
Recorded expenses related to incremental mitigation, product redesign and appeal									4,500,000	8,600,000	3,600,000		21,700,000
Estimated incremental litigation-related expenses during fiscal 2014, maximum																							5,000,000	1,000,000
Royalty payments recorded to cost of sales									$ 3,400,000	$ 900,000		$ 4,400,000
Period from dismissal agreement to future patent assertions and good faith dispute resolution procedures									1 year
Standstill period to make future claims against Emulex									1 year
Number of Board of Directors named in the shareholder lawsuit														8											8
Number of Board of Directors														11											11