Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

+ Details

Name:	us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_BusinessAcquisitionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 55
-Paragraph 37
-URI http://asc.fasb.org/extlink&oid=121600890&loc=d3e2207-128464

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121647850&loc=d3e4845-128472

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TechnologyBasedIntangibleAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_OrderOrProductionBacklogMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=sgh_CreeLEDIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TradeNamesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=sgh_ArtesynEmbeddedComputingIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=sgh_InforceComputingIncorporationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Business Acquisitions - Summary of Intangible Assets (Details) - USD ($) $ in Thousands				9 Months Ended
	Mar. 01, 2021	Jul. 09, 2019	Jul. 08, 2019	May 28, 2021
Technology \| Minimum
Business Acquisition [Line Items]
Estimated Useful Life (in years)				4 years
Technology \| Maximum
Business Acquisition [Line Items]
Estimated Useful Life (in years)				8 years
Customer Relationships \| Minimum
Business Acquisition [Line Items]
Estimated Useful Life (in years)				4 years
Customer Relationships \| Maximum
Business Acquisition [Line Items]
Estimated Useful Life (in years)				8 years
Backlog \| Maximum
Business Acquisition [Line Items]
Estimated Useful Life (in years)				1 year
CreeLED Inc.
Business Acquisition [Line Items]
Intangible assets, net	$ 64,500
CreeLED Inc. \| Technology
Business Acquisition [Line Items]
Intangible assets, net	$ 49,800
CreeLED Inc. \| Technology \| Minimum
Business Acquisition [Line Items]
Estimated Useful Life (in years)	7 years
CreeLED Inc. \| Technology \| Maximum
Business Acquisition [Line Items]
Estimated Useful Life (in years)	8 years
CreeLED Inc. \| Tradenames
Business Acquisition [Line Items]
Intangible assets, net	$ 6,100
Estimated Useful Life (in years)	5 years
CreeLED Inc. \| Customer Relationships
Business Acquisition [Line Items]
Intangible assets, net	$ 5,200
CreeLED Inc. \| Customer Relationships \| Minimum
Business Acquisition [Line Items]
Estimated Useful Life (in years)	7 years
CreeLED Inc. \| Customer Relationships \| Maximum
Business Acquisition [Line Items]
Estimated Useful Life (in years)	8 years
CreeLED Inc. \| Backlog
Business Acquisition [Line Items]
Intangible assets, net	$ 3,400
CreeLED Inc. \| Backlog \| Maximum
Business Acquisition [Line Items]
Estimated Useful Life (in years)	1 year
Artesyn Embedded Computing, Inc
Business Acquisition [Line Items]
Intangible assets, net			$ 41,900
Artesyn Embedded Computing, Inc \| Technology
Business Acquisition [Line Items]
Intangible assets, net			$ 10,100
Estimated Useful Life (in years)			4 years
Artesyn Embedded Computing, Inc \| Customer Relationships
Business Acquisition [Line Items]
Intangible assets, net			$ 31,800
Artesyn Embedded Computing, Inc \| Customer Relationships \| Minimum
Business Acquisition [Line Items]
Estimated Useful Life (in years)			4 years
Artesyn Embedded Computing, Inc \| Customer Relationships \| Maximum
Business Acquisition [Line Items]
Estimated Useful Life (in years)			6 years
Inforce Computing, Inc
Business Acquisition [Line Items]
Intangible assets, net		$ 6,700
Inforce Computing, Inc \| Technology
Business Acquisition [Line Items]
Intangible assets, net		$ 900
Estimated Useful Life (in years)		5 years
Inforce Computing, Inc \| Customer Relationships
Business Acquisition [Line Items]
Intangible assets, net		$ 5,800
Estimated Useful Life (in years)		5 years