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Note 5 - Acquisitions (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jun. 30, 2012
Earn Out Payments Related To Business Acquisitions Earned And Recorded As Compensation Expense	$ 0.1
Less Than [Member]
Earn Out Consideration Unpaid Related To Business Acquisitions	0.1
Business Acquisition Contingent Consideration Paid	$ 0.1

X

- Definition

Cash paid under the contingent consideration arrangement.

+ References

No definition available.

+ Details

Name:	trns_BusinessAcquisitionContingentConsiderationPaid
Namespace Prefix:	trns_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Earn Out Consideration Unpaid Related To Business Acquisitions

+ References

No definition available.

+ Details

Name:	trns_EarnOutConsiderationUnpaidRelatedToBusinessAcquisitions
Namespace Prefix:	trns_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Earn Out Payments Related To Business Acquisitions Earned And Recorded As Compensation Expense

+ References

No definition available.

+ Details

Name:	trns_EarnOutPaymentsRelatedToBusinessAcquisitionsEarnedAndRecordedAsCompensationExpense
Namespace Prefix:	trns_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration