Note J - Shareholders' Equity - Shareholders' Equity Reconciliation (Details) (Parentheticals) - USD ($) $ in Thousands	Jun. 30, 2025	Jun. 30, 2024
Benefit plan adjustments, tax	$ (322)	$ (181)
Net loss on cash flow hedge derivatives, income taxes	(210)	(210)
Net gain on net investment hedge derivatives, taxes	$ 103	$ 103

Amount of tax on accumulated gain (loss) on derivative instrument designated and qualifying as net investment hedge included in assessment of hedge effectiveness.

No definition available.

Name:	twin_AOCINetInvestmentHedgeCumulativeGainLossTax
Namespace Prefix:	twin_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant