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Stock-Based Compensation (Details Textual) (USD $)
6 Months Ended
Dec. 28, 2014
Stock Options  
Stock Based Compensations (Textual) [Abstract]  
Unrecognized compensation cost related to stock options $ 658,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
Weighted average period over which unrecognized compensation is expected to be recognized 1 year
Stock Options | Minimum  
Stock Based Compensations (Textual) [Abstract]  
Options expires after date of grant 5 years
Vesting period after the date of grant 1 year
Stock Options | Maximum  
Stock Based Compensations (Textual) [Abstract]  
Options expires after date of grant 10 years
Vesting period after the date of grant 4 years
Restricted Stock  
Stock Based Compensations (Textual) [Abstract]  
Vesting period after the date of grant 3 years
Weighted average period over which unrecognized compensation is expected to be recognized 1 year 2 months 12 days
Unrecognized compensation cost related to unvested restricted stock grants $ 1,700,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
Omnibus Stock Incentive Plan  
Stock Based Compensation Additional (Textual) [Abstract]  
Designated shares of common stock available for the grant of awards 1,850,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_PlanNameAxis
= strt_OmnibusStockIncentivePlanMember
Shares of common stock available for grant 253,139us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
/ us-gaap_PlanNameAxis
= strt_OmnibusStockIncentivePlanMember