Derivative Instruments - Schedule of Quantification of Outstanding Mexican Peso Forward Contracts (Details)	6 Months Ended
Jan. 01, 2017 USD ($) $ / MXN
Currency buy sell under contract one
Derivative [Line Items]
Effective Dates, Beginning	Jan. 13, 2017
Effective Dates, Ending	Jun. 15, 2017
Notional Amount	$ 12,000,000
Average Forward Contractual Exchange Rate \| $ / MXN	17.95
Fair Value	$ 1,686,000
Currency buy sell under contract two
Derivative [Line Items]
Effective Dates, Beginning	Jul. 14, 2017
Effective Dates, Ending	Jun. 15, 2018
Notional Amount	$ 12,000,000
Average Forward Contractual Exchange Rate \| $ / MXN	20.37
Fair Value	$ 766,000

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

+ Details

Name:	invest_DerivativeNotionalAmount
Namespace Prefix:	invest_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Definition

Derivative contract effective dates, beginning.

+ References

No definition available.

+ Details

Name:	strt_DerivativeContractEffectiveDatesBeginning
Namespace Prefix:	strt_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Derivative contract effective dates, ending.

+ References

No definition available.

+ Details

Name:	strt_DerivativeContractEffectiveDatesEnding
Namespace Prefix:	strt_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Average contractual rate at which a foreign currency can be purchased or sold.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeAverageForwardExchangeRate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 20
-Section 50
-Paragraph 4D
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=64830801&loc=SL51823488-111719

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (a),(c)
-URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624163-113959

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226000-175313

+ Details

Name:	us-gaap_DerivativeFairValueOfDerivativeLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=strt_CurrencyBuySellUnderContractOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=strt_CurrencyBuySellUnderContractTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: