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Debt and Credit Arrangements - Additional Information (Detail)
€ in Millions
12 Months Ended
Jun. 26, 2020
USD ($)
Apr. 17, 2020
USD ($)
Aug. 14, 2019
USD ($)
Apr. 25, 2019
USD ($)
Aug. 22, 2016
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2020
EUR (€)
Dec. 22, 2020
USD ($)
Sep. 30, 2020
USD ($)
Debt Instrument [Line Items]                      
Debt to earnings before Interest, Taxes and Depreciation ratio   225.00%                  
Line of credit utilized borrowing capacity           $ 25,400,000          
Line of credit remaining borrowing capacity           39,600,000          
Letters of credit outstanding amount           100,000          
Proceeds from long-term debt           90,847,000 $ 93,036,000 $ 76,030,000      
Aggregate maturities of long-term debt for 2021           22,600,000          
Aggregate maturities of long-term debt for 2022           1,000,000.0          
Aggregate maturities of long-term debt for 2023           800,000          
Aggregate maturities of long-term debt for 2024           26,100,000          
Aggregate maturities of long-term debt there after           5,400,000          
Interest paid           1,900,000 2,000,000.0 $ 1,800,000      
Total outstanding guarantees           9,800,000          
Letter of credit outstanding           8,000,000.0          
Corporate Aircraft [Member]                      
Debt Instrument [Line Items]                      
Line of credit utilized borrowing capacity           $ 0          
Line of credit outstanding amount                   $ 8,100,000  
Outstanding letters of credit, current                   $ 1,400,000  
Debt instrument, face amount                     $ 6,800,000
U.S. [Member]                      
Debt Instrument [Line Items]                      
Interest rate for Line of credit           1.325%     1.325%    
Asia Pacific [Member]                      
Debt Instrument [Line Items]                      
Restricted cash used to secure bank debt           $ 600,000 $ 300,000        
LIBOR [Member]                      
Debt Instrument [Line Items]                      
Interest rate of LIBOR plus   1.125%                  
LIBOR [Member] | Maximum [Member]                      
Debt Instrument [Line Items]                      
Interest rate of LIBOR plus   1.50%                  
Austrian Subsidiary [Member]                      
Debt Instrument [Line Items]                      
Increased borrowing capacity   $ 65,000,000.0                  
Extended debt instrument date   Jun. 30, 2024     Jun. 30, 2021            
Line of credit utilized borrowing capacity           $ 1,100,000     € 1.0    
Expiration date           May 31, 2021          
Interest rate           3.00%     3.00%    
Austrian Subsidiary [Member] | Line Credit [Member]                      
Debt Instrument [Line Items]                      
Proceeds from long-term debt $ 600,000                    
Interest rate 1.273%                    
Polish Subsidiary [Member]                      
Debt Instrument [Line Items]                      
Borrowings           $ 6,700,000          
Interest rate for Line of credit           1.269%     1.269%    
Polish Subsidiary [Member] | Warsaw Interbank Offer Rate [Member]                      
Debt Instrument [Line Items]                      
Interest rate of LIBOR plus           1.125%          
Expiration date           Jun. 30, 2024          
Australian Subsidiary [Member]                      
Debt Instrument [Line Items]                      
Borrowings           $ 5,300,000          
Expiration date           Jun. 30, 2024          
Interest rate for Line of credit           1.145%     1.145%    
Indonesian Subsidiary [Member]                      
Debt Instrument [Line Items]                      
Line of credit utilized borrowing capacity           $ 6,700,000          
Outstanding letters of credit, current           800,000          
Expiration date       Apr. 30, 2024              
Proceeds from long-term debt       $ 8,000,000.0              
Interest rate       3.501%              
New Zealand Subsidiary {Member}                      
Debt Instrument [Line Items]                      
Outstanding letters of credit, current           $ 4,400,000          
Expiration date     Aug. 26, 2021                
Proceeds from long-term debt     $ 5,300,000                
Interest rate     3.90%     3.25%     3.25%