Goodwill (Narrative) (Details) - USD ($) $ in Thousands			12 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Sep. 30, 2020	Sep. 30, 2022	Aug. 31, 2022	Sep. 30, 2021
Goodwill [Line Items]
Goodwill			$ 808,252	$ 772,559		$ 805,333
Assumed annual compound growth rate after five years	3.95%	3.95%
Minimum [Member]
Goodwill [Line Items]
Weighted average cost of capital assumption	8.93%
Maximum [Member]
Goodwill [Line Items]
Weighted average cost of capital assumption	17.43%
Disposal Groups [Member]
Goodwill [Line Items]
Impairment charge			8,640
Industrial [Member]
Goodwill [Line Items]
Goodwill			$ 352,829	$ 317,136		$ 349,910
P M Controls [Member]
Goodwill [Line Items]
Goodwill					$ 8,526
P M Controls [Member] | Industrial [Member]
Goodwill [Line Items]
Goodwill					$ 8,526