Operating Segment Information - Schedule of Reportable Segments (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended	12 Months Ended	39 Months Ended
Mar. 29, 2015	Jun. 29, 2014	Mar. 30, 2014	Mar. 29, 2015	Mar. 30, 2014	Jun. 29, 2014	Mar. 29, 2015
Segment Reporting Information [Line Items]
Consolidated net revenues	$ 96,296us-gaap_SalesRevenueNet		$ 109,730us-gaap_SalesRevenueNet	$ 311,192us-gaap_SalesRevenueNet	$ 347,558us-gaap_SalesRevenueNet
Operating (loss) income	(63,389)us-gaap_OperatingIncomeLoss		(5,817)us-gaap_OperatingIncomeLoss	(53,951)us-gaap_OperatingIncomeLoss	(10,658)us-gaap_OperatingIncomeLoss
Stock-based compensation				(11,119)us-gaap_ShareBasedCompensation	(12,226)us-gaap_ShareBasedCompensation
Amortization of intangibles	(6,757)		(7,824)	(20,642)	(23,430)
Patent litigation damages, license fees and royalties	(1,976)		(1,978)	(5,791)	(5,833)
Mitigation expenses related to the Broadcom patents			(100)	(200)	(3,600)		(21,900)
Restructuring Charges	0us-gaap_RestructuringCharges	(1,100)us-gaap_RestructuringCharges	(416)us-gaap_RestructuringCharges	853us-gaap_RestructuringCharges	(7,866)us-gaap_RestructuringCharges	(8,100)us-gaap_RestructuringCharges
Impairment of goodwill and intangible assets	57,895us-gaap_AssetImpairmentCharges		0us-gaap_AssetImpairmentCharges	57,895us-gaap_AssetImpairmentCharges	0us-gaap_AssetImpairmentCharges
Acquisition costs	4,500			4,500
Total assets	657,555us-gaap_Assets	717,923us-gaap_Assets		657,555us-gaap_Assets		717,923us-gaap_Assets	657,555us-gaap_Assets
Goodwill	213,230us-gaap_Goodwill	248,519us-gaap_Goodwill		213,230us-gaap_Goodwill		248,519us-gaap_Goodwill	213,230us-gaap_Goodwill
Operating Segments [Member]
Segment Reporting Information [Line Items]
Operating (loss) income	12,885		14,022	45,994	48,150
Operating Segments [Member] \| Connectivity [Member]
Segment Reporting Information [Line Items]
Consolidated net revenues	89,294		102,672	292,030	320,755
Operating (loss) income	14,337		17,107	52,962	53,967
Total assets	562,868	568,709		562,868		568,709	562,868
Goodwill	177,290	177,290		177,290		177,290	177,290
Operating Segments [Member] \| Visibility [Member]
Segment Reporting Information [Line Items]
Consolidated net revenues	7,002		7,058	19,162	26,803
Operating (loss) income	(1,452)		(3,085)	(6,968)	(5,817)
Total assets	94,687	149,214		94,687		149,214	94,687
Goodwill	35,940	71,229		35,940		71,229	35,940
Reconciling Items [Member]
Segment Reporting Information [Line Items]
Operating (loss) income	(76,274)		(19,839)	(99,945)	(58,808)
Stock-based compensation	(4,564)		(3,910)	(11,119)	(12,226)
Amortization of intangibles	(6,757)		(7,824)	(20,642)	(23,430)
Patent litigation damages, license fees and royalties	(1,976)		(1,978)	(5,791)	(5,833)
Mitigation expenses related to the Broadcom patents	(25)		(5,104)	(207)	(8,553)
Restructuring Charges	0		(416)	853	(7,866)
Impairment of goodwill and intangible assets	(57,895)		0	(57,895)	0
Acquisition costs	(4,522)		0	(4,522)	0
Other	$ (535)		$ (607)	$ (622)	$ (900)

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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