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Long-Term Obligations - Narrative (Details) - USD ($)
9 Months Ended
Mar. 02, 2017
Sep. 30, 2017
Oct. 01, 2016
May 24, 2017
Dec. 31, 2016
Debt Instrument [Line Items]          
Weighted average interest rate for revolving credit facility (in hundredths)   1.88%      
Payment of debt issuance costs   $ 1,257,000 $ 27,000    
Unamortized debt issuance costs   1,362,000      
Loan receivable   426,000      
Capital lease obligations   4,639,000     $ 4,309,000
Canadian-Denominated Borrowing [Member]          
Debt Instrument [Line Items]          
Proceeds from borrowings   70,691,000      
Revolving Credit Facility [Member]          
Debt Instrument [Line Items]          
Outstanding balance   273,577,000     $ 61,494,000
Remaining borrowing capacity   26,421,000      
Revolving Credit Facility [Member] | 2017 Credit Agreement [Member]          
Debt Instrument [Line Items]          
Payment of debt issuance costs   1,257,000      
Revolving Credit Facility [Member] | Euro-Denominated Borrowing [Member]          
Debt Instrument [Line Items]          
Proceeds from borrowings   61,769,000      
Outstanding balance   90,410,000      
Revolving Credit Facility [Member] | Canadian-Denominated Borrowing [Member]          
Debt Instrument [Line Items]          
Outstanding balance   $ 66,608,000      
Capital Lease Obligations [Member] | Sale Leaseback Arrangement [Member]          
Debt Instrument [Line Items]          
Effective interest rate   1.70%      
Net purchase option   $ 1,644,000      
Capital lease obligations   4,532,000      
Capital Lease Obligations [Member] | PAAL Equipment Capital Lease [Member]          
Debt Instrument [Line Items]          
Capital lease obligations   $ 107,000      
Weighted average interest rate   3.43%      
Remaining term   2 years 7 months 6 days      
Revolving Credit Facility [Member] | 2017 Credit Agreement [Member]          
Debt Instrument [Line Items]          
Term of unsecured revolving credit facility 5 years        
Borrowing capacity available under committed portion $ 200,000,000     $ 300,000,000  
Additional borrowing capacity $ 100,000,000        
Basis spread on variable rate floor (as a percentage) 0.00%        
Percentage of foreign unrestricted cash 65.00%        
Maximum unrestricted cash $ 30,000,000        
Maximum consolidated leverage ratio 3.5        
Minimum consolidated interest coverage ratio 3        
Proceeds from borrowings   $ 222,019,000      
Revolving Credit Facility [Member] | 2017 Credit Agreement [Member] | Federal Funds Rate [Member]          
Debt Instrument [Line Items]          
Basis spread on variable rate (in hundredths) 0.50%        
Revolving Credit Facility [Member] | 2017 Credit Agreement [Member] | Thirty-day LIBOR [Member]          
Debt Instrument [Line Items]          
Basis spread on variable rate (in hundredths) 0.50%        
Revolving Credit Facility [Member] | 2017 Credit Agreement [Member] | LIBOR [Member] | Minimum [Member]          
Debt Instrument [Line Items]          
Basis spread on variable rate (in hundredths) 1.00%        
Revolving Credit Facility [Member] | 2017 Credit Agreement [Member] | LIBOR [Member] | Maximum [Member]          
Debt Instrument [Line Items]          
Basis spread on variable rate (in hundredths) 2.00%