Summary of Financial Information by Reportable Segment and Product Line (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 31, 2026	May 31, 2025	May 31, 2026	May 31, 2025	Aug. 31, 2025
Segment Reporting [Line Items]
Net Sales	$ 167,553	$ 158,661	$ 466,568	$ 449,385
Operating Profit (Loss)	41,368	31,681	94,877	93,633
Assets	811,543		811,543		$ 827,867
Segment Reporting, Long-Lived Asset, Expenditure for Addition	3,507	4,843	9,241	16,360
Intangible Asset, Finite-Lived, Amortization Expense	1,597	1,235	4,663	3,625
Restructuring Charges	0	5,862	3,283	5,862
Selling, General and Administrative Expense	45,819	41,125	130,958	124,865
Gross Profit	88,784	79,903	233,781	227,985
Cost of products sold	78,769	78,758	232,787	221,400
Industrial Tools & Services [Member] [Domain]
Segment Reporting [Line Items]
Net Sales	160,966	153,374	447,413	434,224
Operating Profit (Loss)	48,712	40,293	115,971	117,021
Assets	691,643		691,643		672,123
Segment Reporting, Long-Lived Asset, Expenditure for Addition	$ 1,553	$ 2,194	$ 6,257	$ 6,824
Operating profit (loss) %	30.30%	26.30%	25.90%	26.90%
Intangible Asset, Finite-Lived, Amortization Expense	$ 1,542	$ 1,190	$ 4,533	$ 3,515
Restructuring Charges	0	2,493	3,283	2,493
Selling, General and Administrative Expense	34,914	31,146	99,944	96,063
Gross Profit	85,168	75,122	223,731	219,092
Cost of products sold	75,798	78,253	223,683	215,132
Industrial Tools & Services [Member] [Domain] | Products [Member]
Segment Reporting [Line Items]
Net Sales	133,531	124,308	370,956	344,274
Industrial Tools & Services [Member] [Domain] | Service & Rental [Member]
Segment Reporting [Line Items]
Net Sales	27,435	29,066	76,457	89,950
Other Operating Segment [Member]
Segment Reporting [Line Items]
Net Sales	6,587	5,287	19,155	15,161
Operating Profit (Loss)	2,073	2,083	5,882	4,702
Assets	25,136		25,136		25,294
Segment Reporting, Long-Lived Asset, Expenditure for Addition	$ 108	$ 89	$ 142	$ 369
Operating profit (loss) %	31.50%	39.40%	30.70%	31.00%
Intangible Asset, Finite-Lived, Amortization Expense	$ 0	$ 0	$ 0	$ 0
Selling, General and Administrative Expense	1,556	1,179	4,243	3,767
Gross Profit	3,629	3,262	10,125	8,469
Cost of products sold	2,958	2,025	9,029	6,692
General Corporate
Segment Reporting [Line Items]
Operating Profit (Loss)	(9,417)	(10,695)	(26,976)	(28,090)
Assets	94,764		94,764		$ 130,450
Restructuring Charges	0	3,369	0	3,369
General Coporate
Segment Reporting [Line Items]
Segment Reporting, Long-Lived Asset, Expenditure for Addition	1,846	2,560	2,842	9,167
Intangible Asset, Finite-Lived, Amortization Expense	55	45	130	110
Selling, General and Administrative Expense	9,349	8,800	26,771	25,035
Gross Profit	(13)	1,519	(75)	424
Cost of products sold	$ 13	$ (1,520)	$ 75	$ (424)