Other Operating Expense - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Other Operating Expense [Line Items]
Restructuring charge	$ 11.9
Anticipated future cash payments	15.9		$ 14.2
Other operating expense	12.1	$ 14.7
Terminated Merger | Woodward, Inc
Other Operating Expense [Line Items]
Other operating expense	$ 14.7