Changes in Carrying Value of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2026	Aug. 31, 2025
Goodwill [Roll Forward]
Beginning Balance	$ 289,800	$ 269,600
Goodwill, Foreign Currency Translation, Gain (Loss)	(100)	5,500
Ending Balance	289,700	289,800
Goodwill, Acquired During Period		14,700
Industrial Tools & Services [Member] [Domain]
Goodwill [Roll Forward]
Beginning Balance	278,600	258,400
Goodwill, Foreign Currency Translation, Gain (Loss)	(100)	5,500
Ending Balance	278,500	278,600
Goodwill, Acquired During Period		14,700
Other Operating Segment [Member]
Goodwill [Roll Forward]
Beginning Balance	11,200	11,200
Goodwill, Foreign Currency Translation, Gain (Loss)	0	0
Ending Balance	$ 11,200	11,200
Goodwill, Acquired During Period		$ 0