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Long-term Debt - Narrative (Details)			3 Months Ended
	Apr. 21, 2020 USD ($) day $ / shares	Aug. 24, 2018 USD ($) day $ / shares	Sep. 26, 2021 USD ($) day	Sep. 27, 2020 USD ($)	Jun. 27, 2021 USD ($)
Debt Instrument [Line Items]
Repurchase of aggregate principal amount of debt instrument			$ 20,100,000	$ 100,000
Convertible Notes
Debt Instrument [Line Items]
Carrying amount of equity component of convertible debt			228,300,000		$ 228,300,000
Interest expense capitalized			2,300,000	200,000
Discount and issuance costs capitalized			$ 5,400,000	$ 400,000
Convertible Notes | Conversion Circumstance One
Debt Instrument [Line Items]
Threshold percentage of stock price trigger (as a percent)			130.00%
Threshold trading days | day			20
Threshold consecutive trading days | day			30
Convertible Notes | Level 2
Debt Instrument [Line Items]
Fair value of debt instrument			$ 1,700,000,000
Convertible Notes | Convertible Notes due September 1, 2023
Debt Instrument [Line Items]
Aggregate principal amount		$ 500,000,000
Stated interest rate (as a percent)		0.875%
Aggregate principal amount of conversion feature		$ 75,000,000
Proceeds from issuance of long-term debt		$ 562,100,000
Conversion rate		16.6745
Conversion price (USD per share) | $ / shares		$ 59.97
Conversion ratio (as a percent)		1
Period of reported sale price of common stock		5 days
Period of consecutive reported sale price of common stock		10 days
Percentage of product of last reported price (as a percent)		98.00%
Repurchase of aggregate principal amount of debt instrument			150,200,000
Decrease in accrued interest from repurchase of debt			200,000
Carrying amount of equity component of convertible debt			110,600,000
Decrease in carrying amount of equity component of convertible debt			27,700,000
Effective interest rate (as a percent)		5.87%
Threshold percentage of stock price trigger (as a percent)		130.00%
Threshold trading days | day		20
Threshold consecutive trading days | day		30
Principal amount exceeded on if-converted debt			175,600,000
Convertible Notes | Convertible Notes due May 1, 2026
Debt Instrument [Line Items]
Aggregate principal amount	$ 500,000,000
Stated interest rate (as a percent)	1.75%
Aggregate principal amount of conversion feature	$ 75,000,000
Proceeds from issuance of long-term debt	$ 561,400,000
Conversion rate	21.1346
Conversion price (USD per share) | $ / shares	$ 47.32
Conversion ratio (as a percent)	1
Period of reported sale price of common stock	5 days
Period of consecutive reported sale price of common stock	10 days
Percentage of product of last reported price (as a percent)	98.00%
Proceeds from Notes used to repurchase debt			144,300,000
Carrying amount of equity component of convertible debt			145,400,000
Effective interest rate (as a percent)	7.45%
Threshold percentage of stock price trigger (as a percent)	130.00%
Threshold trading days | day	20
Threshold consecutive trading days | day	30
Principal amount exceeded on if-converted debt			455,000,000
Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 125,000,000
Minimum required ratio of cash equivalents and marketable securities to outstanding loans and letters of credit obligations			1.25
Outstanding borrowings			$ 0
Remaining borrowing capacity			$ 125,000,000
Average interest rate (as a percent)			0.15%
Line of credit facility, draw period (in days)			10 days
Seven day draw on line of credit			$ 20,000,000
Commitment fee rate (as a percent)			0.25%

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- Definition

Amount of a favorable spread to a debt holder between the amount of debt being converted and the value of the securities received upon conversion. This is an embedded conversion feature of convertible debt issued that is in-the-money at the commitment date.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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- Definition

Line Of Credit Facility, Draw Period

+ References

No definition available.

+ Details

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Namespace Prefix:	wolf_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

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- Definition

Proceeds from Issuance of Long-Term Debt used to Repurchase Debt

+ References

No definition available.

+ Details

Name:	wolf_ProceedsFromIssuanceOfLongTermDebtUsedToRepurchaseDebt
Namespace Prefix:	wolf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtConversionByUniqueDescriptionAxis=wolf_ConversionCircumstanceOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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- Details

Name:	us-gaap_DebtInstrumentAxis=wolf_ConvertibleNotesdueSeptember12023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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- Details

Name:	us-gaap_DebtInstrumentAxis=wolf_ConvertibleNotesDueMay12026Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: