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Debt - Additional Information (Detail)
1 Months Ended 3 Months Ended 9 Months Ended
May 03, 2021
USD ($)
May 02, 2021
USD ($)
Jun. 15, 2017
EUR (€)
Mar. 22, 2017
USD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2021
EUR (€)
Sep. 30, 2021
USD ($)
Jun. 30, 2021
Mar. 31, 2021
EUR (€)
Mar. 31, 2020
EUR (€)
Sep. 30, 2021
USD ($)
Sep. 30, 2021
EUR (€)
Dec. 31, 2020
USD ($)
Jan. 31, 2020
EUR (€)
May 30, 2017
USD ($)
Debt Instrument [Line Items]                              
Debt default, maximum period of failure to comply with obligations, covenants or agreements                     60 days        
Debt default, holder percent to declare all notes due, minimum             30.00%       30.00% 30.00%      
Term loan facility balance             $ 624,223,000       $ 624,223,000   $ 643,184,000    
Long-term debt             $ 615,742,000       $ 615,742,000   $ 631,604,000    
Long-term debt, term             5 years       5 years 5 years      
Commitments Maturing October 31, 2023 [Member]                              
Debt Instrument [Line Items]                              
Annual commitment fee                     0.375%        
European Operations [Member]                              
Debt Instrument [Line Items]                              
Long-term debt             $ 7,700,000       $ 7,700,000       $ 70,700,000
Minimum [Member] | Commitments Maturing October 31, 2023 [Member]                              
Debt Instrument [Line Items]                              
Annual commitment fee                     0.375%        
Maximum [Member] | Commitments Maturing October 31, 2023 [Member]                              
Debt Instrument [Line Items]                              
Annual commitment fee                     0.625%        
Senior Notes, 6.00%, due 2025 [Member] | Senior Notes [Member]                              
Debt Instrument [Line Items]                              
Debt Instrument, Face Amount | €     € 250,000,000.0                        
Debt instrument, interest rate stated, percentage     6.00%                        
Senior Secured Term Loan Facility [Member] | Senior Notes [Member]                              
Debt Instrument [Line Items]                              
Amount of term loan facility       $ 400,000,000.0                      
Line of credit facility maturity date       May 23, 2024                      
Repayments under term loan facility                     $ 50,800,000        
Term loan facility balance             349,200,000       349,200,000        
Amount outstanding             $ 4,800,000       $ 4,800,000        
Senior Secured Term Loan Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member] | Senior Notes [Member]                              
Debt Instrument [Line Items]                              
Debt instrument, basis spread on variable rate       0.00%                      
Senior Secured Term Loan Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member] | Senior Notes [Member]                              
Debt Instrument [Line Items]                              
Debt instrument, basis spread on variable rate       4.00%                      
Senior Secured Term Loan Facility [Member] | Base Rate [Member] | Senior Notes [Member]                              
Debt Instrument [Line Items]                              
Debt instrument, basis spread on variable rate       2.00%                      
Senior Secured Term Loan Facility [Member] | Federal Funds Effective Swap Rate [Member] | Senior Notes [Member]                              
Debt Instrument [Line Items]                              
Debt instrument, basis spread on variable rate       0.50%                      
Senior Secured Term Loan Facility [Member] | One Month London Interbank Offered Rate (LIBOR) [Member] | Senior Notes [Member]                              
Debt Instrument [Line Items]                              
Debt instrument, basis spread on variable rate       1.00%                      
Senior Secured Term Loan Facility [Member] | One Month LIBOR Plus Margin [Member] | Senior Notes [Member]                              
Debt Instrument [Line Items]                              
Debt instrument, basis spread on variable rate       3.00%                      
Equipment Loan [Member]                              
Debt Instrument [Line Items]                              
Debt instrument, interest rate stated, percentage             2.30%       2.30% 2.30%      
Long-term debt             $ 12,600,000       $ 12,600,000        
Drew down on loans | €                 € 1,400,000 € 10,600,000          
Debt Instrument Redemption Period One [Member] | Senior Notes, 6.00%, due 2025 [Member] | Senior Notes [Member]                              
Debt Instrument [Line Items]                              
Redemption percentage     101.50%                        
Debt Instrument Redemption Period Two [Member] | Senior Notes, 6.00%, due 2025 [Member] | Senior Notes [Member]                              
Debt Instrument [Line Items]                              
Redemption percentage     100.00%                        
Revolving Credit Facility [Member] | Commitment Maturing May 23, 2022 [Member]                              
Debt Instrument [Line Items]                              
Commitment fees percentage                     0.25%        
Revolving Credit Facility [Member] | Minimum [Member]                              
Debt Instrument [Line Items]                              
Net leverage ratio                     1.00%        
Revolving Credit Facility [Member] | Minimum [Member] | Commitment Maturing May 23, 2022 [Member]                              
Debt Instrument [Line Items]                              
Commitment fees percentage                     0.25%        
Revolving Credit Facility [Member] | Maximum [Member]                              
Debt Instrument [Line Items]                              
Net leverage ratio                     4.50%        
Revolving Credit Facility [Member] | Maximum [Member] | Commitment Maturing May 23, 2022 [Member]                              
Debt Instrument [Line Items]                              
Commitment fees percentage                     0.50%        
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]                              
Debt Instrument [Line Items]                              
Debt instrument, basis spread on variable rate                     3.00%        
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]                              
Debt Instrument [Line Items]                              
Debt instrument, basis spread on variable rate                     3.50%        
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]                              
Debt Instrument [Line Items]                              
Debt instrument, basis spread on variable rate                     3.00%        
Revolving Credit Facility [Member] | Base Rate [Member]                              
Debt Instrument [Line Items]                              
Debt instrument, basis spread on variable rate                     2.00%        
Revolving Credit Facility [Member] | Base Rate [Member] | Minimum [Member]                              
Debt Instrument [Line Items]                              
Debt instrument, basis spread on variable rate                     2.50%        
Revolving Credit Facility [Member] | Base Rate [Member] | Maximum [Member]                              
Debt Instrument [Line Items]                              
Debt instrument, basis spread on variable rate                     2.00%        
Revolving Credit Facility [Member] | Senior Secured Term Loan Facility [Member]                              
Debt Instrument [Line Items]                              
Amount of term loan facility       $ 160,000,000.0                      
Line of credit facility maturity date       May 23, 2022                      
Line of credit facility, commitment amount $ 132,500,000 $ 160,000,000.0                          
Outstanding borrowings             0       $ 0        
Revolving Credit Facility [Member] | Senior Secured Term Loan Facility [Member] | Commitment Maturing May 23, 2022 [Member]                              
Debt Instrument [Line Items]                              
Line of credit facility, commitment amount 25,000,000.0                            
Revolving Credit Facility [Member] | Senior Secured Term Loan Facility [Member] | Commitments Maturing October 31, 2023 [Member]                              
Debt Instrument [Line Items]                              
Line of credit facility, commitment amount $ 107,500,000                            
Revolving Credit Facility [Member] | Senior Secured Term Loan Facility [Member] | Senior Notes [Member]                              
Debt Instrument [Line Items]                              
Amount of availability             $ 127,700,000       $ 127,700,000        
Term Loan Facility [Member] | Senior Secured Term Loan Facility [Member]                              
Debt Instrument [Line Items]                              
Percentage of capital stock issued             65.00%       65.00% 65.00%      
Equipment Loan [Member] | European Operations [Member]                              
Debt Instrument [Line Items]                              
Debt instrument, interest rate stated, percentage             2.20%       2.20% 2.20%      
Debt instrument, maturity date                     Mar. 31, 2024        
European Revolving Credit Facility [Member]                              
Debt Instrument [Line Items]                              
Annual commitment fee             0.625%                
Outstanding borrowings             $ 0       $ 0        
Amount outstanding             500,000       500,000 € 400,000      
Amount of availability             $ 69,100,000       $ 69,100,000 € 59,600,000      
Debt instrument, maturity date               May 22, 2023              
Percentage of management fee             0.07%                
European Revolving Credit Facility [Member] | Minimum [Member]                              
Debt Instrument [Line Items]                              
Annual commitment fee             0.625%                
European Revolving Credit Facility [Member] | Maximum [Member]                              
Debt Instrument [Line Items]                              
Annual commitment fee             1.225%                
Current borrowing capacity under line of credit | €                           € 60,000,000.0  
European Revolving Credit Facility [Member] | Euribor [Member]                              
Debt Instrument [Line Items]                              
Debt instrument, basis spread on variable rate             2.05%                
European Revolving Credit Facility [Member] | Euribor [Member] | Minimum [Member]                              
Debt Instrument [Line Items]                              
Debt instrument, basis spread on variable rate             2.05%                
European Revolving Credit Facility [Member] | Euribor [Member] | Maximum [Member]                              
Debt Instrument [Line Items]                              
Debt instrument, basis spread on variable rate             3.50%                
European Revolving Credit Facility [Member] | Equipment Loan [Member]                              
Debt Instrument [Line Items]                              
Debt instrument, maturity date                     Sep. 30, 2027        
Quarterly payment         $ 500,000 € 400,000                  
Quarterly payment, start date                     Jun. 30, 2021