Acquisitions (Narrative) (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
	Aug. 31, 2022	Dec. 31, 2022	Jun. 30, 2023	Sep. 30, 2022
Business Acquisition [Line Items]
Goodwill			$ 798,575	$ 772,559
Future amortization expense associated with the acquired intangibles for fiscal year ended September 30, 2023			10,019
Future amortization expense associated with the acquired intangibles for fiscal year ended September 30, 2024			32,919
Future amortization expense associated with the acquired intangibles for fiscal year ended September 30, 2025			27,806
Future amortization expense associated with the acquired intangibles for fiscal year ended September 30, 2026			27,745
Future amortization expense associated with the acquired intangibles for fiscal year ended September 30, 2027			27,670
P M Controls [Member]
Business Acquisition [Line Items]
Total cash consideration	$ 22,890
Measurement period adjustment reduced intangible assets		$ (1,042)
Working capital adjustment resulting in reduction of goodwill		$ (863)
Goodwill	8,705		8,705
Future amortization expense associated with the acquired intangibles for fiscal year ended September 30, 2023			1,191
Future amortization expense associated with the acquired intangibles for fiscal year ended September 30, 2024			865
Future amortization expense associated with the acquired intangibles for fiscal year ended September 30, 2025			757
Future amortization expense associated with the acquired intangibles for fiscal year ended September 30, 2026			757
Future amortization expense associated with the acquired intangibles for fiscal year ended September 30, 2027			$ 757
P M Agreements [Member] | P M Controls [Member]
Business Acquisition [Line Items]
Total cash consideration	$ 21,421