Bank Credit Agreements and Other Short-Term and Long-Term Debt - Additional Information (Details) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2020	Dec. 31, 2020	Nov. 30, 2020	May 29, 2020	May 28, 2020	Dec. 31, 2019
Line Of Credit Facility [Line Items]
Lines of credit maximum borrowing capacity				$ 670,000,000	$ 500,000,000
Percentage of shares acquired by subsidiary in acquiree		100.00%
Long term debt		$ 312,247,000				$ 98,641,000
ERIS Technology Corporation
Line Of Credit Facility [Line Items]
Percentage of shares acquired by subsidiary in acquiree		51.00%
Short-term debt		$ 12,300,000
Long term debt		$ 30,000,000.0
Debt maturity period term		2021 through 2033
Credit Agreement
Line Of Credit Facility [Line Items]
Credit agreement amendment date		May 29, 2020
Credit agreement commencement date		Oct. 26, 2016
Debt extinguishment	$ 52,200,000
Loss on debt extinguishment	700,000
Third-party fees	$ 700,000
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.
Acquisition Draw Term Commitment
Line Of Credit Facility [Line Items]
Lines of credit maximum borrowing capacity				340,000,000
Initial Term Commitment
Line Of Credit Facility [Line Items]
Lines of credit maximum borrowing capacity				180,000,000
Revolver
Line Of Credit Facility [Line Items]
Lines of credit maximum borrowing capacity				150,000,000	250,000,000
Line of credit facility, maturity date		May 29, 2023
Revolver | Swing Line Sublimit
Line Of Credit Facility [Line Items]
Lines of credit maximum borrowing capacity				20,000,000	10,000,000
Revolver | Letter of Credit Sublimit
Line Of Credit Facility [Line Items]
Lines of credit maximum borrowing capacity				10,000,000	10,000,000
Revolver | Alternative Currency Sublimit
Line Of Credit Facility [Line Items]
Lines of credit maximum borrowing capacity				$ 40,000,000	20,000,000
Term Loan
Line Of Credit Facility [Line Items]
Lines of credit maximum borrowing capacity					$ 250,000,000
Line of credit facility, maturity date		May 29, 2023
Lite On Semiconductor
Line Of Credit Facility [Line Items]
Percentage of shares acquired by subsidiary in acquiree			100.00%
Short-Term Debt
Line Of Credit Facility [Line Items]
Lines of credit unused and available		$ 166,000,000.0
Line of credit facility advanced under foreign credit line		140,600,000
Line of Credit Facility Credit Used For Guarantee		500,000
Short-Term Debt | Lite On Semiconductor
Line Of Credit Facility [Line Items]
Increase in short-term facility		147,600,000
Short-Term Debt | Unsecured
Line Of Credit Facility [Line Items]
Lines of credit maximum borrowing capacity		$ 307,100,000