v3.21.1

Cash, cash equivalents and short-term investments - Available-for-sale securities based on stated effective maturities (Detail) - USD ($) $ in Thousands	Mar. 26, 2021	Jun. 26, 2020
Investments Classified by Contractual Maturity Date [Line Items]
Fair value, total	$ 189,892	$ 209,842
Carrying Cost
Investments Classified by Contractual Maturity Date [Line Items]
Carrying cost, due within one year	62,641	76,127
Carrying cost, due between one to five years	126,696	132,223
Carrying cost, total	189,337	208,350
Fair Value
Investments Classified by Contractual Maturity Date [Line Items]
Fair value, due within one year	62,638	76,196
Fair value, due between one to five years	127,254	133,646
Fair value, total	$ 189,892	$ 209,842

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Investments Classified by Contractual Maturity Date [Line Items]

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of investment in marketable security, classified as current.

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