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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
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Jun. 29, 2024 | Jun. 24, 2023
Revenue, percentage | 100.00% | 100.00%
Transferred at Point in Time [Member] |  |
Revenue, percentage | 85.60% | 90.70%
Transferred over Time [Member] |  |
Revenue, percentage | 14.40% | 9.30%

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- Definition Represents the revenue recognition as a percentage of net sales. + References No definition available. + Details
Name: | trns_RevenueRecognitionPercentageOfNetSales
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: |