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+ Details

Goodwill and Intangibles - Schedule of Changes in Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands		9 Months Ended	12 Months Ended
	Jul. 01, 2025	Sep. 30, 2026	Jun. 30, 2026
Goodwill [Roll Forward]
Beginning balance		$ 70,600
Ending balance		101,171
Pioneer Power Inc.
Goodwill [Roll Forward]
Measurement period adjustments		2,044	$ 2,899
Ending balance	$ 36,614	39,513
1901 Transaction
Goodwill [Roll Forward]
Goodwill, acquired during period		14,334
CYMCOR Transaction
Goodwill [Roll Forward]
Goodwill, acquired during period		14,193
ODR
Goodwill [Roll Forward]
Beginning balance		55,022
Ending balance		74,842
ODR \| Pioneer Power Inc.
Goodwill [Roll Forward]
Measurement period adjustments		2,044
ODR \| 1901 Transaction
Goodwill [Roll Forward]
Goodwill, acquired during period		3,583
ODR \| CYMCOR Transaction
Goodwill [Roll Forward]
Goodwill, acquired during period		14,193
GCR
Goodwill [Roll Forward]
Beginning balance		15,578
Ending balance		26,329
GCR \| Pioneer Power Inc.
Goodwill [Roll Forward]
Measurement period adjustments		0
GCR \| 1901 Transaction
Goodwill [Roll Forward]
Goodwill, acquired during period		10,751
GCR \| CYMCOR Transaction
Goodwill [Roll Forward]
Goodwill, acquired during period		$ 0