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Debt and Commitments (Details Narrative)
€ in Thousands
1 Months Ended 12 Months Ended
Feb. 10, 2021
USD ($)
Oct. 31, 2020
USD ($)
Oct. 31, 2014
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2021
EUR (€)
Feb. 09, 2021
USD ($)
Dec. 31, 2020
EUR (€)
Oct. 08, 2020
USD ($)
Oct. 07, 2020
USD ($)
Oct. 15, 2014
USD ($)
Debt Instrument [Line Items]                        
Notes and overdrafts payable       $ 1,900,000 $ 2,115,000              
Bank acceptances executed and outstanding       1,676,000 0              
Finance lease       6,505,000 8,268,000              
Debt maturities, year 1       3,735,000                
Debt maturities, year 2       1,633,000                
Debt maturities, year 3       101,943,000                
Debt maturities, year 4       737,000                
Debt maturities, year 5       495,619,000                
Debt maturities, after year 5       0                
Letters of credit outstanding, amount       8,417,000                
Interest paid       15,206,000 15,088,000 $ 20,248,000            
Interest capitalized       282,000 $ 348,000 $ 498,000            
Sixth Amendment Maturity February 2022 and 3.97% Senior Notes                        
Debt Instrument [Line Items]                        
Additional borrowings allowed       325,629,000                
Line of Credit                        
Debt Instrument [Line Items]                        
Maximum borrowing capacity       $ 72,000,000                
Line of credit facility, interest rate at period end         1.10%       1.10%      
Notes and overdrafts payable         $ 2,100,000              
Repayment period       1 month                
Bank Overdrafts                        
Debt Instrument [Line Items]                        
Notes and overdrafts payable       $ 224,000 15,000              
Repayment period       2 days                
Line of Credit | Sixth Amendment Maturity February 2022                        
Debt Instrument [Line Items]                        
Accordion feature amount               $ 200,000,000        
Line of Credit | Sixth Amended and Restate Senior Unsecured Revolving Credit Agreement Due 2026                        
Debt Instrument [Line Items]                        
Accordion feature amount $ 250,000,000                      
Senior Notes | 3.97% Senior Notes                        
Debt Instrument [Line Items]                        
Debt instrument, face amount                       $ 100,000,000
Interest rate       3.97%     3.97%         3.97%
Redemption price     100.00%                  
Carrying amount of debt       $ 100,000,000 100,000,000              
Senior Notes | Sixth Amendment Maturity February 2022 and 3.97% Senior Notes                        
Debt Instrument [Line Items]                        
Additional borrowings allowed       $ 201,723,000                
Line of Credit and Senior Notes | Fifth Amendment Maturity February 2022 and Three Point Seven Percent Senior Notes                        
Debt Instrument [Line Items]                        
Allowable add-back for EBITDA                     $ 15,000,000  
Line of Credit and Senior Notes | Sixth Amendment Maturity February 2022 and 3.97% Senior Notes                        
Debt Instrument [Line Items]                        
Fees and expenses paid with amendment   $ 1,384,000                    
Debt covenant, senior debt ratio (not more than)       3.25     3.25     3.75    
Debt covenant acquisitions, senior debt ratio (not more than)                   3.50    
Debt covenant, threshold for permitted acquisition                   $ 150,000,000    
Allowable add-back for EBITDA                   $ 25,000,000    
Debt covenant, fee for exceeding senior leverage ratio                   0.0050    
Debt covenant, senior debt debt ratio at period end       2,440     2,440          
Foreign bank borrowings                        
Debt Instrument [Line Items]                        
Carrying amount of debt       $ 0 254,000              
Minimum | Line of Credit and Senior Notes | Sixth Amendment Maturity February 2022 and 3.97% Senior Notes                        
Debt Instrument [Line Items]                        
Debt covenant, senior debt ratio (not more than)                   3.25    
Maximum | Line of Credit and Senior Notes | Sixth Amendment Maturity February 2022 and 3.97% Senior Notes                        
Debt Instrument [Line Items]                        
Debt covenant, senior debt ratio (not more than)                   3.75    
Revolving Credit Facility                        
Debt Instrument [Line Items]                        
Line of credit facility, amount outstanding       495,262,000 593,622,000              
Line of credit facility remaining borrowing capacity       $ 504,738,000 $ 406,378,000              
Line of credit facility, interest rate at period end       1.48% 1.42%   1.48%   1.42%      
Revolving Credit Facility | Fifth Amendment Maturity February 2022 and Three Point Seven Percent Senior Notes                        
Debt Instrument [Line Items]                        
Debt covenant, EBITDA to interest expense (not less than)       4.25     4.25          
Revolving Credit Facility | Line of Credit | Sixth Amended and Restate Senior Unsecured Revolving Credit Agreement Due 2026                        
Debt Instrument [Line Items]                        
Maximum borrowing capacity 1,000,000,000                      
Fees and expenses paid with amendment $ 4,306,000                      
Debt covenant acquisitions, senior debt ratio (not more than) 3.50                      
Debt covenant, threshold for permitted acquisition $ 150,000,000                      
Maximum borrowing capacity after accordion feature $ 1,250,000,000                      
Debt covenant, total debt ratio (not more than) 3.75                      
Debt covenant acquisitions, total debt ratio (not more than) 4.25                      
Revolving Credit Facility | Euro | Line of Credit                        
Debt Instrument [Line Items]                        
Carrying amount of debt       $ 360,262,000 $ 423,622,000   € 318,450   € 344,450      
Revolving Credit Facility | Minimum | Line of Credit and Senior Notes | Sixth Amended and Restate Senior Unsecured Revolving Credit Agreement Due 2026                        
Debt Instrument [Line Items]                        
Debt covenant, senior debt ratio (not more than) 3.25                      
Revolving Credit Facility | Maximum | Line of Credit | Sixth Amended and Restate Senior Unsecured Revolving Credit Agreement Due 2026                        
Debt Instrument [Line Items]                        
Debt covenant, senior debt ratio (not more than) 3.75                      
Revolving Credit Facility | London Interbank Offered Rate (LIBOR) | Minimum | Line of Credit | Sixth Amended and Restate Senior Unsecured Revolving Credit Agreement Due 2026                        
Debt Instrument [Line Items]                        
Basis spread on variable rate 1.175%                      
Revolving Credit Facility | London Interbank Offered Rate (LIBOR) | Maximum | Line of Credit | Sixth Amended and Restate Senior Unsecured Revolving Credit Agreement Due 2026                        
Debt Instrument [Line Items]                        
Basis spread on variable rate 1.775%                      
Revolving Credit Facility | Base Rate | Minimum | Line of Credit | Sixth Amended and Restate Senior Unsecured Revolving Credit Agreement Due 2026                        
Debt Instrument [Line Items]                        
Basis spread on variable rate 0.175%                      
Revolving Credit Facility | Base Rate | Maximum | Line of Credit | Sixth Amended and Restate Senior Unsecured Revolving Credit Agreement Due 2026                        
Debt Instrument [Line Items]                        
Basis spread on variable rate 0.775%                      
Revolving Credit Facility | Euribor | Line of Credit | Sixth Amended and Restate Senior Unsecured Revolving Credit Agreement Due 2026                        
Debt Instrument [Line Items]                        
Interest rate 0.00%                      
Revolving Credit Facility | Euribor | Minimum | Line of Credit | Sixth Amended and Restate Senior Unsecured Revolving Credit Agreement Due 2026                        
Debt Instrument [Line Items]                        
Basis spread on variable rate 1.175%                      
Revolving Credit Facility | Euribor | Maximum | Line of Credit | Sixth Amended and Restate Senior Unsecured Revolving Credit Agreement Due 2026                        
Debt Instrument [Line Items]                        
Basis spread on variable rate 1.775%