Note I - Shareholders' Equity - Shareholders' Equity Reconciliation (Details) (Parentheticals) - USD ($) $ in Thousands	Jun. 30, 2026	Jun. 30, 2025
Benefit plan adjustments, tax	$ (298)	$ 154
Net loss on cash flow hedge derivatives, income taxes	0	210
Net gain on net investment hedge derivatives, taxes	$ 0	$ (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