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Note 3 - Stock-based Compensation (Details) - Non-Vested Performance-Based Restricted Stock Units (USD $) In Thousands, except Per Share data, unless otherwise specified	Dec. 27, 2014
Performance Based Restricted Stock Awards Granted in April 2012 [Member]
Note 3 - Stock-based Compensation (Details) - Non-Vested Performance-Based Restricted Stock Units [Line Items]
Total Number of Units Granted	24us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = trns_PerformanceBasedRestrictedStockAwardsGrantedInAprilTwentyTwelveMember
Grant Date Fair Value Per Unit	$ 13.11us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = trns_PerformanceBasedRestrictedStockAwardsGrantedInAprilTwentyTwelveMember
Performance Based Restricted Stock Awards Granted in April 2013 [Member]
Note 3 - Stock-based Compensation (Details) - Non-Vested Performance-Based Restricted Stock Units [Line Items]
Total Number of Units Granted	99us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = trns_PerformanceBasedRestrictedStockAwardsGrantedInAprilTwentyThirteenMember
Grant Date Fair Value Per Unit	$ 6.17us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = trns_PerformanceBasedRestrictedStockAwardsGrantedInAprilTwentyThirteenMember
Performance Based Restricted Stock Awards Granted in April 2014 [Member]
Note 3 - Stock-based Compensation (Details) - Non-Vested Performance-Based Restricted Stock Units [Line Items]
Total Number of Units Granted	64us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = trns_PerformanceBasedRestrictedStockAwardsGrantedInAprilTwentyFourteenMember
Grant Date Fair Value Per Unit	$ 9.28us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = trns_PerformanceBasedRestrictedStockAwardsGrantedInAprilTwentyFourteenMember

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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