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Long-term Debt (Details)
6 Months Ended
May 24, 2018
USD ($)
Jun. 30, 2018
USD ($)
Sep. 02, 2016
USD ($)
May 11, 2015
USD ($)
Debt Instrument [Line Items]        
Maturity of long-term debt - 2018   $ 7,300,000    
Maturity of long-term debt - 2019   14,600,000    
Maturity of long-term debt - 2020   14,600,000    
Maturity of long-term debt - 2021   14,600,000    
Maturity of long-term debt - 2022   14,600,000    
Maturity of long-term debt - 2023   225,600,000    
Maturity of long-term debt - Thereafter   $ 400,000,000    
Debt instrument redemption price percentage of principal amount redeemed 105.375%      
Maximum        
Debt Instrument [Line Items]        
Debt instrument redemption price percentage 100.00%      
Minimum        
Debt Instrument [Line Items]        
Debt instrument redemption price percentage 40.00%      
New Credit Facility        
Debt Instrument [Line Items]        
Line of credit facility, maximum borrowing capacity $ 250,000,000      
EBITDA percentage 65.00%      
Maximum leverage ratio 2.50      
Commitment fee percentage of unused capacity   0.175%    
Remaining borrowing capacity   $ 428,500,000    
Weighted-average interest rate on outstanding borrowings   3.09%    
Senior Notes | Senior Notes Due 2026        
Debt Instrument [Line Items]        
Debt instrument, aggregate principal amount $ 400,000,000      
Debt instrument, interest rate 5.375%      
Secured Debt | New Credit Facility        
Debt Instrument [Line Items]        
Maximum leverage ratio 4.00      
Maximum leverage ratio, future increase 4.5      
Maximum interest coverage ratio 3.00      
Base Rate Loans | Maximum        
Debt Instrument [Line Items]        
Basis spread on variable rate 1.00%      
Base Rate Loans | Minimum        
Debt Instrument [Line Items]        
Basis spread on variable rate 0.25%      
New Revolving Credit Facility | New Credit Facility        
Debt Instrument [Line Items]        
Borrowings outstanding   $ 0    
New Revolving Credit Facility | New Credit Facility | Maximum        
Debt Instrument [Line Items]        
Commitment fee percentage of unused capacity 0.275%      
New Revolving Credit Facility | New Credit Facility | Minimum        
Debt Instrument [Line Items]        
Commitment fee percentage of unused capacity 0.15%      
New Revolving Credit Facility | Secured Debt | New Credit Facility        
Debt Instrument [Line Items]        
Line of credit facility, maximum borrowing capacity $ 500,000,000      
Revolving Credit Facility | Secured Debt | Amended Credit Agreement        
Debt Instrument [Line Items]        
Line of credit facility, maximum borrowing capacity       $ 400,000,000
New USD Term Loan | Secured Debt | New Credit Facility        
Debt Instrument [Line Items]        
Line of credit facility, maximum borrowing capacity 50,000,000      
New CAD Term Loan | Secured Debt | New Credit Facility        
Debt Instrument [Line Items]        
Line of credit facility, maximum borrowing capacity $ 250,000,000      
Quarterly amortization payment, percentage of principal 1.25%      
Term Loan Credit Facility | New Credit Facility        
Debt Instrument [Line Items]        
Borrowings outstanding   $ 291,100,000    
Term Loan Credit Facility | Secured Debt | Amended Credit Agreement        
Debt Instrument [Line Items]        
Line of credit facility, maximum borrowing capacity       $ 300,000,000
Canadian Dollar Term Loan Facility | Secured Debt | Amended Credit Agreement        
Debt Instrument [Line Items]        
Line of credit facility, maximum borrowing capacity     $ 137,500,000  
U.S. Dollar Term Loan Facility | Secured Debt | Amended Credit Agreement        
Debt Instrument [Line Items]        
Line of credit facility, maximum borrowing capacity     $ 112,500,000  
Letter of Credit | New Credit Facility        
Debt Instrument [Line Items]        
Commitment fee percentage   1.375%    
Borrowings outstanding   $ 71,500,000    
Letter of Credit | New Credit Facility | Maximum        
Debt Instrument [Line Items]        
Commitment fee percentage of unused capacity 2.00%      
Letter of Credit | New Credit Facility | Minimum        
Debt Instrument [Line Items]        
Commitment fee percentage of unused capacity 1.25%      
Performance Letter Of Credit | New Credit Facility        
Debt Instrument [Line Items]        
Commitment fee percentage   0.825%    
Performance Letter Of Credit | New Credit Facility | Maximum        
Debt Instrument [Line Items]        
Commitment fee percentage of unused capacity 1.20%      
Performance Letter Of Credit | New Credit Facility | Minimum        
Debt Instrument [Line Items]        
Commitment fee percentage of unused capacity 0.75%      
Eurodollar | New Credit Facility        
Debt Instrument [Line Items]        
Basis spread on variable rate   1.375%    
Eurodollar | New Credit Facility | Maximum        
Debt Instrument [Line Items]        
Basis spread on variable rate 2.00%      
Eurodollar | New Credit Facility | Minimum        
Debt Instrument [Line Items]        
Basis spread on variable rate 1.25%      
Federal Funds Effective Swap Rate | New Credit Facility        
Debt Instrument [Line Items]        
Basis spread on variable rate 0.50%      
Thirty Day London Interbank Offered Rate LIBOR Plus | Base Rate Loans        
Debt Instrument [Line Items]        
Basis spread on variable rate 1.00%      
Base Rate | New Credit Facility        
Debt Instrument [Line Items]        
Basis spread on variable rate   0.375%