Summary of Financial Information by Reportable Segment and Product Line (Detail) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2024	Aug. 31, 2023	Aug. 31, 2022
Segment Reporting Information [Line Items]
Net sales	$ 589,510	$ 598,204	$ 571,223
Operating profit (loss)	121,587	83,922	30,660
Depreciation and amortization	13,275	16,313	19,600
Capital Expenditure	11,411	9,400	8,417
Assets	777,328	762,597
Assets of Continuing Operations	777,328	762,597
Service & Rental [Member]
Segment Reporting Information [Line Items]
Net sales	115,506	107,575	117,097
Products [Member]
Segment Reporting Information [Line Items]
Net sales	474,004	490,629	454,126
Industrial Tools & Services [Member] [Domain]
Segment Reporting Information [Line Items]
Net sales	571,153	555,178	527,342
Operating profit (loss)	153,105	135,883	78,735
Depreciation and amortization	11,700	12,329	14,498
Capital Expenditure	6,079	7,779	7,139
Assets	613,797	632,113
Industrial Tools & Services [Member] [Domain] | Service & Rental [Member]
Segment Reporting Information [Line Items]
Net sales	115,506	107,575	117,097
Industrial Tools & Services [Member] [Domain] | Products [Member]
Segment Reporting Information [Line Items]
Net sales	455,647	447,603	410,245
Other Operating Segment [Member]
Segment Reporting Information [Line Items]
Net sales	18,357	43,026	43,881
Operating profit (loss)	4,249	10,954	729
Depreciation and amortization	888	3,164	3,664
Capital Expenditure	561	599	710
Assets	26,533	28,127
General Corporate
Segment Reporting Information [Line Items]
Operating profit (loss)	(35,767)	(62,915)	(48,805)
Depreciation and amortization	687	820	1,438
Capital Expenditure	4,771	1,022	$ 568
Assets	$ 136,998	$ 102,357