Summary of Financial Information by Reportable Segment and Product Line (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 31, 2023	May 31, 2022	May 31, 2023	May 31, 2022	Aug. 31, 2022
Segment Reporting Information [Line Items]
Net Sales	$ 156,253	$ 151,894	$ 437,595	$ 419,395
Operating Profit (Loss)	25,439	6,643	51,720	17,534
Assets	793,074		793,074		$ 757,312
Industrial Tools & Services [Member] [Domain]
Segment Reporting Information [Line Items]
Net Sales	144,126	140,395	402,326	387,647
Operating Profit (Loss)	36,207	19,226	93,284	49,872
Assets	633,686		633,686		618,412
Products [Member]
Segment Reporting Information [Line Items]
Net Sales	117,868	109,915	320,980	299,761
Service & Rental [Member]
Segment Reporting Information [Line Items]
Net Sales	26,258	30,480	81,346	87,886
Other Operating Segment [Member]
Segment Reporting Information [Line Items]
Net Sales	12,127	11,499	35,269	31,748
Operating Profit (Loss)	1,965	1,096	4,545	173
Assets	46,584		46,584		46,428
General Corporate
Segment Reporting Information [Line Items]
Operating Profit (Loss)	(12,733)	$ (13,679)	(46,109)	$ (32,511)
Assets	$ 112,804		$ 112,804		$ 92,472