Restructuring Charges (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	Aug. 31, 2024
Restructuring and Related Activities [Abstract]
Restructuring Charges	$ 0	$ 5,862	$ 3,283	$ 5,862
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	0	5,862	3,283	5,862
Industrial Tools & Services [Member] [Domain]
Restructuring and Related Activities [Abstract]
Restructuring Charges	0	2,493	3,283	2,493
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	0	2,493	3,283	2,493
General Corporate
Restructuring and Related Activities [Abstract]
Restructuring Charges	0	3,369	0	3,369
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	0	3,369	0	3,369
ETG FY25 Restructuring Plan
Restructuring and Related Activities [Abstract]
Restructuring Charges		5,900
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		5,900
ETG FY25 Restructuring Plan | Industrial Tools & Services [Member] [Domain]
Restructuring and Related Activities [Abstract]
Restructuring Charges				2,493
Restructuring Cost and Reserve [Line Items]
Restructuring Charges				2,493
Cash payments			(1,535)	0
Restructuring Reserve, Foreign Currency Translation Gain (Loss)			(44)
Restructuring Reserve	127	2,493	127	2,493	$ 1,706	$ 0
ETG FY25 Restructuring Plan | General Corporate
Restructuring and Related Activities [Abstract]
Restructuring Charges				3,369
Restructuring Cost and Reserve [Line Items]
Restructuring Charges				3,369
Cash payments			(1,364)	(415)
Restructuring Reserve, Foreign Currency Translation Gain (Loss)			0
Restructuring Reserve	15	$ 2,954	15	$ 2,954	1,379	$ 0
ETG FY26 Restructuring Plan [Axis]
Restructuring and Related Activities [Abstract]
Restructuring Charges	3,300
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	3,300
ETG FY26 Restructuring Plan [Axis] | Industrial Tools & Services [Member] [Domain]
Restructuring and Related Activities [Abstract]
Restructuring Charges	3,283
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Settled without Cash			(370)
Restructuring Charges	3,283
Cash payments			(706)
Restructuring Reserve, Foreign Currency Translation Gain (Loss)			(32)
Restructuring Reserve	$ 2,175		$ 2,175		$ 0