XML 95 R78.htm IDEA: XBRL DOCUMENT v3.22.4
Debt - Additional Information (Detail)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Feb. 23, 2022
USD ($)
Dec. 12, 2016
USD ($)
Day
$ / shares
shares
Dec. 31, 2022
USD ($)
$ / shares
shares
Dec. 31, 2022
USD ($)
$ / shares
shares
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Oct. 05, 2022
USD ($)
Jan. 01, 2022
USD ($)
Oct. 03, 2021
$ / shares
May 01, 2020
USD ($)
Debt Instrument                    
Repurchase of common stock       $ 752,082 $ 600,000 $ 88,465        
Trading days measurement period | Day   5                
Debt issuance costs, amortization period       7 years            
Line of Credit Facility, Maximum Borrowing Capacity             $ 750,000     $ 400,000
Line of Credit Facility, Capacity Available for Specific Purpose Other than for Trade Purchases     $ 200,000 $ 200,000            
Line of Credit Facility, Interest Rate Description       The interest rate applicable to loans under the Credit Facility are, at Teradyne’s option, equal to either a base rate plus a margin ranging from 0.00% to 0.75% per annum or SOFR plus a margin ranging from 1.10% to 1.85% per annum, based on the consolidated leverage ratio of Teradyne. In addition, Teradyne will pay a commitment fee on the unused portion of the commitments under the Credit Facility ranging from 0.15% to 0.25% per annum, based on the then applicable consolidated leverage ratio.            
Term of revolving credit facility                   3 years
Debt instrument conversion converted instrument amount         343,000          
Mezzanine equity     0 $ 0 1,512          
Expected principal interest payments in next 12 months     400 $ 400            
Available Incremental Amount Under The Credit Facility Not To Exceed Percentage Of Consolidated EBIDTA       15.00%            
Convertible common shares       $ 66,800            
Current debt, Conversion     50,115 50,115 19,182          
Deferred Tax Assets, Other     2,520 2,520 774          
Debt     0 0 89,244          
Retained earnings     725,729 725,729 736,566          
Other Income Expense [Member]                    
Debt Instrument                    
Gain loss on debt conversion         $ 28,800          
Convertible Common Shares [Member]                    
Debt Instrument                    
Mezzanine equity     15,100 15,100            
Stock Issued During Period, Value, Stock Options Exercised       $ 1,500            
Collateral Pledged [Member]                    
Debt Instrument                    
Line of Credit Facility, Interest Rate Description       65            
1.25% Convertible Senior Unsecured Notes Due December 15, 2023                    
Debt Instrument                    
Aggregate principal amount   $ 460,000 $ 460,000 $ 460,000            
Debt instrument, interest rate, stated percentage   1.25%                
Debt instrument, net proceeds after issuance costs   $ 450,800                
Payment for net cost of convertible note hedges net of warrant proceeds   33,000   $ 33,000            
Repurchase of common stock   $ 50,100                
Repurchase of stock, shares | shares   2,000,000                
Senior notes maturity date   Dec. 15, 2023                
Debt instrument, frequency of periodic payment   payable semiannually in arrears on June 15 and December 15 of each year                
Debt instrument, date of first required payment   Mar. 31, 2017                
Debt instrument, conversion option expiration date   Sep. 15, 2023                
Consecutive trading days measurement period | Day   5                
Debt instrument conversion price | $ / shares   $ 31.46 $ 31.46 $ 31.46         $ 31.46  
Shares that would be issued upon conversion | shares     1,600,000 14,600,000            
Strike price per share of warrant | $ / shares       $ 39.48            
Debt instrument, convertible, carrying amount of equity component     $ 100,800 $ 100,800            
Financing cost     $ 100 100            
Value of notes converted       $ 139,500            
Debt instrument conversion converted instrument amount $ 424,900                  
1.25% Convertible Senior Unsecured Notes Due December 15, 2023 | Conversion option one                    
Debt Instrument                    
Trading days measurement period | Day   20                
Consecutive trading days measurement period | Day   30                
Percentage of conversion price   130.00%                
1.25% Convertible Senior Unsecured Notes Due December 15, 2023 | Conversion option two                    
Debt Instrument                    
Aggregate principal amount   $ 1,000                
Percentage of closing sale price of common stock and conversion rate product   98.00%                
Revolving Credit Facility | Maximum | Truist Bank [Member]                    
Debt Instrument                    
Commitment fee percentage of unused portion of credit facility       0.25%            
Revolving Credit Facility | Minimum | Truist Bank [Member]                    
Debt Instrument                    
Commitment fee percentage of unused portion of credit facility       0.15%            
Revolving Credit Facility | Base Rate | Maximum | Truist Bank [Member]                    
Debt Instrument                    
Debt instrument, basis spread on variable rate       0.75%            
Revolving Credit Facility | Base Rate | Minimum | Truist Bank [Member]                    
Debt Instrument                    
Debt instrument, basis spread on variable rate       0.00%            
Revolving Credit Facility | London Interbank Offered Rate (LIBOR) | Maximum | Truist Bank [Member]                    
Debt Instrument                    
Debt instrument, basis spread on variable rate       1.85%            
Revolving Credit Facility | London Interbank Offered Rate (LIBOR) | Minimum | Truist Bank [Member]                    
Debt Instrument                    
Debt instrument, basis spread on variable rate       1.10%            
Teradyne [Member]                    
Debt Instrument                    
Mezzanine equity               $ 100,800    
Current debt, Conversion               1,400    
Debt               6,600    
Retained earnings               94,600    
Teradyne [Member] | Accounting Standards Update 2020-06 [Member]                    
Debt Instrument                    
Deferred Tax Assets, Other               1,800    
Teradyne [Member] | Accounting Standards Update 2020-06 [Member] | Revision of Prior Period, Accounting Standards Update, Adjustment [Member]                    
Debt Instrument                    
Mezzanine equity               $ 0