Other Operating Expense (Income) - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Other Operating Expense (Income) [Line Items]
Restructuring charge	$ 42,800,000		$ 7,700,000
Asset impairments	10,100,000
Anticipated future cash payments	14,200,000	$ 1,600,000
Other operating expenses	(57,900,000)	$ 0	$ (7,700,000)
Terminated Merger | Woodward, Inc
Other Operating Expense (Income) [Line Items]
Other operating expenses	$ 15,100,000