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Organization and Summary of Significant Accounting Policies - Additional Information (Detail)	1 Months Ended	12 Months Ended
	Apr. 30, 2017 USD ($)	Jun. 29, 2019 USD ($) Segment	Jun. 30, 2018 USD ($)	Jun. 24, 2017 USD ($)	Jun. 25, 2011	Jun. 30, 2019 USD ($)	Apr. 30, 2019	Jul. 01, 2018 USD ($)
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Transfer amount of assets of level one		$ 0	$ 0
Transfer amount of assets of level two		0	0
Transfer amount of assets of level three		0	0
Transfer amount of assets out of level three		0	0
Retained earnings		583,500,000	606,400,000
Contract asset		0
Contract liability		4,500,000						$ 1,100,000
Refund liability		47,500,000						31,600,000
Revenue recognized related to contract liabilities		$ 300,000
Description of payment terms in contract with customer		Payments are generally due within three months of completion of the performance obligation and subsequent invoicing and, therefore, do not include significant financing components.
Equity method investment				$ 18,400,000
Net gain (loss) on foreign currency transactions		$ (1,100,000)	(1,100,000)	(700,000)
Number of reporting units | Segment		2
Goodwill impairment		$ 0	0	0
Cost of revenue		(975,100,000)	(1,150,200,000)	(1,194,600,000)
Research and development		(341,100,000)	(363,200,000)	(292,300,000)
Selling, general, and administrative		$ (130,400,000)	(154,000,000.0)	(137,600,000)
Number of operating segments | Segment		1
Contractual life of grant option					7 years
Contractual life of Grant option					10 years
Performance stock units outstanding [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Earlier Options vesting period		3 years
Requisite service period		3 years
Market stock units outstanding [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Earlier Options vesting period		3 years
Requisite service period		3 years
Retention Agreements [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Cost of revenue		$ (100,000)
Research and development		(1,500,000)
Selling, general, and administrative		(900,000)
Thin Touch Developed Technology [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Impairment of acquired intangibles		$ 0	$ 0	$ 0
OXi Technology Ltd [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Equity method investment	$ 18,400,000
Equity method investment, ownership percentage	14.40%
Equity method investment, ownership reduced percentage							13.80%
Maximum [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Revenue, performance obligation, payment terms		3 months
Maximum [Member] | Deferred stock units outstanding [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Earlier Options vesting period		4 years
Maximum [Member] | Stock option outstanding [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Earlier Options vesting period		4 years
Maximum [Member] | Employee stock purchase plan [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Earlier Options vesting period		2 years
Minimum [Member] | Deferred stock units outstanding [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Earlier Options vesting period		3 years
Minimum [Member] | Stock option outstanding [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Earlier Options vesting period		3 years
Accounting Standards Update 2014-09 [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Remaining unsatisfied performance obligation						$ 0
Cumulative Impact of Adopting Topic 606 [Member] | Accounting Standards Update 2014-09 [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Retained earnings								$ 0

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