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Debt and Commitments (Details Narrative)
€ in Thousands
1 Months Ended 12 Months Ended
Feb. 10, 2021
USD ($)
Oct. 19, 2018
USD ($)
Sep. 19, 2018
USD ($)
Oct. 31, 2020
USD ($)
Oct. 31, 2014
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2019
EUR (€)
Dec. 31, 2018
USD ($)
Dec. 31, 2018
EUR (€)
Feb. 09, 2021
USD ($)
Dec. 31, 2020
EUR (€)
Oct. 08, 2020
USD ($)
Oct. 07, 2020
USD ($)
Dec. 31, 2019
EUR (€)
Feb. 28, 2017
USD ($)
Jan. 31, 2017
USD ($)
Oct. 15, 2014
USD ($)
Debt Instrument [Line Items]                                    
Notes and overdrafts payable           $ 2,115,000 $ 7,724,000                      
Finance lease           8,268,000 6,266,000                      
Debt maturities, year 1           4,391,000                        
Debt maturities, year 2           595,642,000                        
Debt maturities, year 3           1,416,000                        
Debt maturities, year 4           101,858,000                        
Debt maturities, year 5           560,000                        
Debt maturities, after year 5           392,000                        
Letters of credit outstanding, amount           8,757,000                        
Interest paid           15,088,000 20,248,000   $ 16,678,000                  
Interest capitalized           348,000 $ 498,000   544,000                  
Sixth Amendment Maturity February 2022 and 3.97% Senior Notes                                    
Debt Instrument [Line Items]                                    
Additional borrowings allowed           161,521,000                        
Line of Credit [Member]                                    
Debt Instrument [Line Items]                                    
Maximum borrowing capacity           $ 83,000,000                        
Line of credit facility, interest rate at period end           1.10% 2.38%         1.10%     2.38%      
Notes and overdrafts payable           $ 2,100,000 $ 7,700,000                      
Repayment period           1 month                        
Bank Overdrafts [Member]                                    
Debt Instrument [Line Items]                                    
Notes and overdrafts payable           $ 15,000 24,000                      
Repayment period           2 days                        
Line of Credit [Member]                                    
Debt Instrument [Line Items]                                    
Accordion feature amount                                 $ 250,000,000  
Line of Credit [Member] | Sixth Amendment Maturity February 2022 | Subsequent Event                                    
Debt Instrument [Line Items]                                    
Accordion feature amount                     $ 200,000,000              
Line of Credit [Member] | Sixth Amended and Restate Senior Unsecured Revolving Credit Agreement Due 2026 | Subsequent Event                                    
Debt Instrument [Line Items]                                    
Accordion feature amount $ 250,000,000                                  
Senior Notes [Member] | 3.97% Senior Notes [Member]                                    
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 [Member] | Sixth Amendment Maturity February 2022 and 3.97% Senior Notes                                    
Debt Instrument [Line Items]                                    
Additional borrowings allowed           $ 161,521,000                        
Line of Credit and Senior Notes | Fifth Amendment Maturity February 2022 and Three Point Seven Percent Senior Notes                                    
Debt Instrument [Line Items]                                    
Debt covenant, senior debt ratio (not more than)           3.25           3.25            
Debt covenant acquisitions, senior debt ratio (not more than)           3.50           3.50            
Debt covenant, threshold for permitted acquisition           $ 150,000,000                        
Allowable add-back for EBITDA                           $ 15,000,000        
Debt covenant, total debt ratio (not more than)           3.75           3.75            
Debt covenant acquisitions, total debt ratio (not more than)           4.25           4.25            
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)           3.75           3.75 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           3,050.00           3,050.00            
Foreign bank borrowings [Member]                                    
Debt Instrument [Line Items]                                    
Carrying amount of debt           $ 254,000 406,000                      
Minimum [Member] | 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 [Member] | 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 [Member]                                    
Debt Instrument [Line Items]                                    
Line of credit facility, amount outstanding           593,622,000 720,379,000                      
Line of credit facility remaining borrowing capacity           $ 406,378,000 $ 279,621,000                      
Line of credit facility, interest rate at period end           1.42% 1.76%         1.42%     1.76%      
Borrowings             $ 49,506,000 € 44,100 208,589,000 € 179,000                
Revolving Credit Facility [Member] | Fourth Amendment, Maturity February 2022 [Member]                                    
Debt Instrument [Line Items]                                    
Maximum borrowing capacity                               $ 850,000,000    
Revolving Credit Facility [Member] | Fourth Amendment, Maturity February 2022, Accordion Feature [Member]                                    
Debt Instrument [Line Items]                                    
Maximum borrowing capacity                               350,000,000    
Revolving Credit Facility [Member] | Fifth Amendment, Maturity February 2022 [Member]                                    
Debt Instrument [Line Items]                                    
Maximum borrowing capacity   $ 1,000,000,000                                
Accordion feature amount   $ 200,000,000                                
Fees and expenses paid with amendment             529,000   $ 2,542,000                  
Revolving Credit Facility [Member] | 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 [Member] | Line of Credit [Member] | Sixth Amended and Restate Senior Unsecured Revolving Credit Agreement Due 2026 | Subsequent Event                                    
Debt Instrument [Line Items]                                    
Maximum borrowing capacity 1,000,000,000                                  
Fees and expenses paid with amendment $ 4,279,000                                  
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 [Member] | Euro [Member] | Fourth Amendment, Maturity February 2022 [Member]                                    
Debt Instrument [Line Items]                                    
Maximum borrowing capacity                               600,000,000    
Revolving Credit Facility [Member] | Euro [Member] | Line of Credit [Member]                                    
Debt Instrument [Line Items]                                    
Carrying amount of debt           $ 423,622,000 $ 565,379,000         € 344,450     € 504,690      
Revolving Credit Facility [Member] | United Kingdom, Pounds [Member] | Fourth Amendment, Maturity February 2022 [Member]                                    
Debt Instrument [Line Items]                                    
Maximum borrowing capacity                               600,000,000    
Revolving Credit Facility [Member] | Switzerland, Francs [Member] | Fourth Amendment, Maturity February 2022 [Member]                                    
Debt Instrument [Line Items]                                    
Maximum borrowing capacity                               $ 600,000,000    
Revolving Credit Facility [Member] | Minimum [Member] | Line of Credit and Senior Notes | Sixth Amended and Restate Senior Unsecured Revolving Credit Agreement Due 2026 | Subsequent Event                                    
Debt Instrument [Line Items]                                    
Debt covenant, senior debt ratio (not more than) 3.25                                  
Revolving Credit Facility [Member] | Maximum [Member] | Line of Credit [Member] | Sixth Amended and Restate Senior Unsecured Revolving Credit Agreement Due 2026 | Subsequent Event                                    
Debt Instrument [Line Items]                                    
Debt covenant, senior debt ratio (not more than) 3.75                                  
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member] | Fifth Amendment, Maturity February 2022 [Member]                                    
Debt Instrument [Line Items]                                    
Basis spread on variable rate   1.10%                                
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member] | Line of Credit [Member] | Sixth Amended and Restate Senior Unsecured Revolving Credit Agreement Due 2026 | Subsequent Event                                    
Debt Instrument [Line Items]                                    
Basis spread on variable rate 1.175%                                  
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member] | Fifth Amendment, Maturity February 2022 [Member]                                    
Debt Instrument [Line Items]                                    
Basis spread on variable rate   1.70%                                
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member] | Line of Credit [Member] | Sixth Amended and Restate Senior Unsecured Revolving Credit Agreement Due 2026 | Subsequent Event                                    
Debt Instrument [Line Items]                                    
Basis spread on variable rate 1.775%                                  
Revolving Credit Facility [Member] | Base Rate [Member] | Minimum [Member] | Fifth Amendment, Maturity February 2022 [Member]                                    
Debt Instrument [Line Items]                                    
Basis spread on variable rate   0.10%                                
Revolving Credit Facility [Member] | Base Rate [Member] | Minimum [Member] | Line of Credit [Member] | Sixth Amended and Restate Senior Unsecured Revolving Credit Agreement Due 2026 | Subsequent Event                                    
Debt Instrument [Line Items]                                    
Basis spread on variable rate 0.175%                                  
Revolving Credit Facility [Member] | Base Rate [Member] | Maximum [Member] | Fifth Amendment, Maturity February 2022 [Member]                                    
Debt Instrument [Line Items]                                    
Basis spread on variable rate   0.70%                                
Revolving Credit Facility [Member] | Base Rate [Member] | Maximum [Member] | Line of Credit [Member] | Sixth Amended and Restate Senior Unsecured Revolving Credit Agreement Due 2026 | Subsequent Event                                    
Debt Instrument [Line Items]                                    
Basis spread on variable rate 0.775%                                  
Revolving Credit Facility [Member] | Euribor [Member] | Fifth Amendment, Maturity February 2022 [Member]                                    
Debt Instrument [Line Items]                                    
Interest rate   0.00%                                
Revolving Credit Facility [Member] | Euribor [Member] | Line of Credit [Member] | Sixth Amended and Restate Senior Unsecured Revolving Credit Agreement Due 2026 | Subsequent Event                                    
Debt Instrument [Line Items]                                    
Interest rate 0.00%                                  
Revolving Credit Facility [Member] | Euribor [Member] | Minimum [Member] | Fifth Amendment, Maturity February 2022 [Member]                                    
Debt Instrument [Line Items]                                    
Basis spread on variable rate   1.10%                                
Revolving Credit Facility [Member] | Euribor [Member] | Minimum [Member] | Line of Credit [Member] | Sixth Amended and Restate Senior Unsecured Revolving Credit Agreement Due 2026 | Subsequent Event                                    
Debt Instrument [Line Items]                                    
Basis spread on variable rate 1.175%                                  
Revolving Credit Facility [Member] | Euribor [Member] | Maximum [Member] | Fifth Amendment, Maturity February 2022 [Member]                                    
Debt Instrument [Line Items]                                    
Basis spread on variable rate   1.70%                                
Revolving Credit Facility [Member] | Euribor [Member] | Maximum [Member] | Line of Credit [Member] | Sixth Amended and Restate Senior Unsecured Revolving Credit Agreement Due 2026 | Subsequent Event                                    
Debt Instrument [Line Items]                                    
Basis spread on variable rate 1.775%                                  
Gimatic S.r.l. (“Gimatic”) [Member] | Revolving Credit Facility [Member]                                    
Debt Instrument [Line Items]                                    
Liabilities incurred     $ 150,000,000