Organization and Summary of Significant Accounting Policies (Details 18) - USD ($) $ in Thousands	12 Months Ended
Jul. 01, 2018	Jul. 02, 2017	Jun. 28, 2016
Cash Received From Stock Option Exercises And Related Income Tax Benefit
Cash Received from Stock Option Exercises	$ 139	$ 136	$ 364
Income Tax Benefit		$ 25	$ 196

Cash received from stock option exercises and the related income tax benefit.

No definition available.

Name:	strt_CashReceivedFromStockOptionExercisesAndRelatedIncomeTaxBenefitAbstract
Namespace Prefix:	strt_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of tax benefit from exercise of stock options granted under share-based compensation arrangement.

+ References

+ Details

Name:	us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=SL79508275-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585

+ Details

Name:	us-gaap_ProceedsFromStockOptionsExercised
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration