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Note 1 - General - Summary of Net Sales by Revenue Recognition Method as a Percentage of Total Sales (Details)	3 Months Ended		6 Months Ended
	Sep. 27, 2025	Sep. 28, 2024	Sep. 27, 2025	Sep. 28, 2024
Revenue, percentage	100.00%	100.00%	100.00%	100.00%
Transferred at Point in Time [Member]
Revenue, percentage	86.00%	86.60%	86.60%	86.10%
Transferred over Time [Member]
Revenue, percentage	14.00%	13.40%	13.40%	13.90%

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- Definition

Represents the revenue recognition as a percentage of net sales.

+ References

No definition available.

+ Details

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Namespace Prefix:	trns_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

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- Details

Name:	us-gaap_TimingOfTransferOfGoodOrServiceAxis=us-gaap_TransferredAtPointInTimeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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- Details

Name:	us-gaap_TimingOfTransferOfGoodOrServiceAxis=us-gaap_TransferredOverTimeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: