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Options Granted at Price Greater than the Market Value (Details 1) (USD $) | 12 Months Ended
--- | ---
Jun. 29, 2014 | Jun. 30, 2013 | Jul. 01, 2012
Stock Option and Purchase Plans |  |  |
Shares | 40,000 | 40,000 | 40,000
Exercise price | $ 38.71 | $ 25.64 | $ 26.53

X
- Definition The number of stock options Issued with an exercise price greater than the market value on the grant date. + References No definition available. + Details
Name: | strt_OptionsGrantedAtPriceGreaterThanMarketValueOnDateOfGrant
Namespace Prefix: | strt_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The exercise price related to stock options issued with an exercise price greater than the market value on the grant date. + References No definition available. + Details
Name: | strt_OptionsGrantedAtPriceGreaterThanMarketValueOnDateOfGrantExercisePrice
Namespace Prefix: | strt_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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