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Pension and Postretirement Benefits (Details Textual) (USD $) | 6 Months Ended |
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Dec. 28, 2014 | Dec. 29, 2013 | Jun. 29, 2014
Disclosure Pension And Other Postretirement Benefits Details Textual [Line Items] |  |  |
Date the Board of Directors approved a resolution to terminate the qualified retirement plan | Apr. 02, 2014 |  |
Qualified Retirement Plan participants' vesting percentage as of the final termination date of the plan | 100.00%strt_VestingPercentageOfAccruedBenefitsForRetirementPlanParticipantsAsOfFinalTerminationDate |  |
Termination of Qualified Pension Plan, description | On April 2, 2014, our Board of Directors approved a resolution to terminate the Qualified Pension Plan. The termination of the Qualified Pension Plan is subject to the Internal Revenue Service’s (“IRS”) determination that the Qualified Pension Plan is qualified on termination. We believe it will take 18 to 24 months to finalize the complete termination of the Qualified Pension Plan after obtaining IRS approval. Additionally, we have amended the Qualified Pension Plan to provide that participants are 100 percent vested in their accrued benefits as of the effective date of the plan termination, to adopt a new standard for disability benefits that will apply when the plan’s assets are distributed due to the termination, to add a lump sum distribution for employees and terminated vested participants who are not in payment status when Qualified Pension Plan assets are distributed due to the termination and to make certain other conforming amendments to the Qualified Pension Plan to comply with applicable laws that may be required by the IRS or may be deemed necessary or advisable to improve the administration of the Qualified Pension Plan or facilitate its termination and liquidation. |  |
Rabbi Trust Assets - SERP | $ 2,300,000 strt_TrustAssets |  | $ 2,200,000 strt_TrustAssets
Postretirement plan annual benefit limit for future eligible retires | 4,000 strt_OtherPostretirementBenefitsAnnualBenefitLimitPerFutureEligibleRetiree |  |
Other postretirement benefits maximum benefit period | 5 years |  |
Contributions to the qualified pension plan | 0 us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount | 1,500,000 us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount |
Expected additional employer contributions during remainder of fiscal 2015 | $ 3,000,000 us-gaap_DefinedBenefitPlansEstimatedFutureEmployerContributionsInCurrentFiscalYear |  |
Supplemental Employee Retirement Plan, Defined Benefit |  |  |
Disclosure Pension And Other Postretirement Benefits Details Textual [Line Items] |  |  |
Percentage of participant's base salary received as Supplemental Retirement Benefits | 8.00%strt_AnnualBenefitAccrualPercentageUnderSupplementalExecutiveRetirementPlan / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember |  |

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- Definition Annual benefit accrual percentage of a participants' base salary and cash bonus under the Supplement Executive Retirement Plan. + References No definition available. + Details
Name: | strt_AnnualBenefitAccrualPercentageUnderSupplementalExecutiveRetirementPlan
Namespace Prefix: | strt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition The date the company's Board of Directors approved a resolution to terminate the qualified retirement plan. + References No definition available. + Details
Name: | strt_DateOfApprovalForTerminationOfQualifiedRetirementPlan
Namespace Prefix: | strt_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | strt_DisclosurePensionAndOtherPostretirementBenefitsDetailsTextualLineItems
Namespace Prefix: | strt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The maximum annual benefit amount available to each retiree for postretirement health benefits under the other postretirement defined benefit plan. + References No definition available. + Details
Name: | strt_OtherPostretirementBenefitsAnnualBenefitLimitPerFutureEligibleRetiree
Namespace Prefix: | strt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The maximum benefit period, in years, available to each retiree for postretirement health benefits under the other postretirement defined benefit plan. + References No definition available. + Details
Name: | strt_OtherPostretirementBenefitsMaximumBenefitPeriod
Namespace Prefix: | strt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Termination of qualified pension plan description. + References No definition available. + Details
Name: | strt_TerminationOfQualifiedPensionPlanDescription
Namespace Prefix: | strt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The total amount of cash and securities held by third party trustees in a rabbi trust for the payment of supplemental employee retirement benefits. + References No definition available. + Details
Name: | strt_TrustAssets
Namespace Prefix: | strt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition The vesting percentage of accrued benefits for all retirement plan participants as of the final plan termination date under a plan amendment. + References No definition available. + Details
Name: | strt_VestingPercentageOfAccruedBenefitsForRetirementPlanParticipantsAsOfFinalTerminationDate
Namespace Prefix: | strt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of employer's best estimate of contributions expected to be paid to the plan in the current remaining fiscal period. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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: |