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SUBSEQUENT EVENT (Details) - Subsequent Event [Member] - Revolving Credit Facility [Member] - Manufacturers And Traders Trust Company [Member] - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	May 18, 2020	Mar. 27, 2021
Subsequent Event [Line Items]
Extended agreement date	Oct. 20, 2022
Revolving credit commitment	$ 40.0
Amount used to pay tax obligations	$ 2.5
London Interbank Offered Rate (LIBOR) [Member]
Subsequent Event [Line Items]
Floor rate	1.00%
Maximum [Member]
Subsequent Event [Line Items]
Capital Expenditures		$ 5.5

X

- Definition

Amount used to pay certain tax obligations.

+ References

No definition available.

+ Details

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Namespace Prefix:	trns_
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Balance Type:	credit
Period Type:	duration

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- Definition

Capital Expenditures.

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- Definition

Extended agreement date.

+ References

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+ Details

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- Definition

Amount of the fee for available but unused credit capacity under the credit facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

The effective interest rate during the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

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- Details

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- Details

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- Details

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