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Debt - Additional Information (Detail)
3 Months Ended
Jun. 29, 2018
Sep. 30, 2017
Jun. 15, 2017
EUR (€)
Mar. 22, 2017
USD ($)
Mar. 31, 2019
USD ($)
Mar. 31, 2019
EUR (€)
Dec. 31, 2018
USD ($)
May 30, 2017
USD ($)
Debt Instrument [Line Items]                
Debt default, holder percent to declare all notes due, minimum         30.00% 30.00%    
Term loan facility balance         $ 680,132,000   $ 684,922,000  
Long-term debt         660,641,000   664,478,000  
Long-term debt, current         3,930,000   $ 3,052,000  
European Operations [Member]                
Debt Instrument [Line Items]                
Long-term debt               $ 70,700,000
Long-term debt, current         $ 3,000,000      
Senior Notes, 6.00%, due 2025 [Member] | Senior Notes [Member]                
Debt Instrument [Line Items]                
Debt Instrument, Face Amount | €     € 250,000,000          
Debt instrument, interest rate stated, percentage     6.00%   6.00% 6.00% 6.00%  
Term loan facility balance         $ 280,450,000   $ 286,100,000  
Long-term debt         273,365,000   $ 278,734,000  
Debt instrument face value | €     € 250,000,000          
Senior Secured Term Loan Facility [Member] | Senior Notes [Member]                
Debt Instrument [Line Items]                
Amount of term loan facility       $ 400,000,000        
Line of credit facility maturity date       May 23, 2024        
Repayments under term loan facility         18,200,000      
Term loan facility balance         381,800,000      
Amount outstanding         3,400,000      
Amount of availability         $ 156,600,000      
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 3.50%              
Debt Instrument Redemption Period One [Member] | Senior Notes, 6.00%, due 2025 [Member] | Senior Notes [Member]                
Debt Instrument [Line Items]                
Redemption percentage     103.00%          
Debt Instrument Redemption Period Two [Member] | Senior Notes, 6.00%, due 2025 [Member] | Senior Notes [Member]                
Debt Instrument [Line Items]                
Redemption percentage     101.50%   40.00%      
Debt Instrument Redemption Period Three [Member] | Senior Notes, 6.00%, due 2025 [Member] | Senior Notes [Member]                
Debt Instrument [Line Items]                
Redemption percentage     100.00%          
Revolving Credit Facility [Member]                
Debt Instrument [Line Items]                
Commitment fees percentage       0.50%        
Revolving Credit Facility [Member] | Minimum [Member]                
Debt Instrument [Line Items]                
Commitment fees percentage   0.50%            
Revolving Credit Facility [Member] | Maximum [Member]                
Debt Instrument [Line Items]                
Commitment fees percentage   0.25%            
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%   1.00%        
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%   3.50%        
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] | Federal Funds Effective Swap Rate [Member]                
Debt Instrument [Line Items]                
Debt instrument, basis spread on variable rate       0.50%        
Revolving Credit Facility [Member] | One Month London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]                
Debt Instrument [Line Items]                
Debt instrument, basis spread on variable rate       1.00%        
Revolving Credit Facility [Member] | One Month London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]                
Debt Instrument [Line Items]                
Debt instrument, basis spread on variable rate       2.50%        
Revolving Credit Facility [Member] | Senior Secured Term Loan Facility [Member]                
Debt Instrument [Line Items]                
Amount of term loan facility       $ 160,000,000        
Line of credit facility maturity date       May 23, 2022        
Outstanding borrowings         $ 0      
Term Loan Facility [Member] | Senior Secured Term Loan Facility [Member]                
Debt Instrument [Line Items]                
Percentage of capital stock issued         65.00% 65.00%    
Equipment Loan [Member] | European Operations [Member]                
Debt Instrument [Line Items]                
Debt instrument, interest rate stated, percentage         2.20% 2.20%    
Long-term debt         $ 15,700,000      
Line of Credit [Member] | European Operations [Member]                
Debt Instrument [Line Items]                
Debt Instrument, Face Amount | €           € 30,000,000    
Debt instrument expiry date         Jul. 31, 2020      
Debt instrument face value | €           30,000,000    
Current borrowing capacity under line of credit | €           € 29,600,000    
Line of Credit [Member] | Euribor [Member] | Minimum [Member] | European Operations [Member]                
Debt Instrument [Line Items]                
Debt instrument, basis spread on variable rate         0.95%