Acquisitions Details (Details) - USD ($) $ in Thousands		3 Months Ended
	Nov. 01, 2021	Dec. 31, 2021	Dec. 31, 2020	Sep. 30, 2021
Business Acquisition [Line Items]
Goodwill		$ 342,498		$ 225,522
Operating lease right-of-use assets		15,891		15,684
Operating lease liability		18,225		$ 18,368
Ventus
Business Acquisition [Line Items]
Cash paid at closing	$ 350,000
Goodwill	$ 116,890
Weighted average useful life identifiable intangibles	19 years 2 months 12 days
Net income		(3,653)	$ (7,783)
Ventus | Customer Relationships
Business Acquisition [Line Items]
Weighted average useful life identifiable intangibles	20 years 6 months
Ventus | Trademarks
Business Acquisition [Line Items]
Weighted average useful life identifiable intangibles	13 years
Ventus | Purchased and Core Technology
Business Acquisition [Line Items]
Weighted average useful life identifiable intangibles	11 years
Ventus | General and Administrative
Business Acquisition [Line Items]
Acquisition costs		$ 3,100
Ventus | General and Administrative | Acquisition-related costs
Business Acquisition [Line Items]
Net income			$ 3,100
Other non-current assets | Ventus
Business Acquisition [Line Items]
Operating lease right-of-use assets	$ 900
Other current liabilities and other noncurrent liabilities | Ventus
Business Acquisition [Line Items]
Operating lease liability	$ 900