Debt - Additional Information (Details) - USD ($)	6 Months Ended
	Jun. 30, 2021	Dec. 31, 2020
Line Of Credit Facility [Line Items]
Lines of credit unused and available	$ 111,800,000
Line of credit facility advanced under foreign credit line	60,200,000
Line of Credit Facility Credit Used For Guarantee	1,100,000
Long term debt	$ 243,311,000	$ 312,247,000
ERIS Technology Corporation
Line Of Credit Facility [Line Items]
Percentage of shares acquired by subsidiary in acquiree	51.00%
Short-term debt	$ 17,200,000
Long term debt	$ 28,600,000
Debt maturity period term	2021 through 2033
Term Commitment
Line Of Credit Facility [Line Items]
Lines of credit maximum borrowing capacity	$ 114,700,000
Revolver
Line Of Credit Facility [Line Items]
Lines of credit maximum borrowing capacity	$ 150,000,000.0
Credit Agreement
Line Of Credit Facility [Line Items]
Financial and non-financial convenants, description	Furthermore, under the Credit Agreement, restricted payments, including dividends and share repurchases, are permitted in certain circumstances, including while the pro forma Consolidated Leverage Ratio is, both before and after giving effect to any such restricted payment, at least 0.25 to 1.00 less than the maximum permitted under the Credit Agreement.
Unsecured
Line Of Credit Facility [Line Items]
Lines of credit maximum borrowing capacity	$ 173,100,000