XML 95 R72.htm IDEA: XBRL DOCUMENT v3.6.0.2
LONG-TERM DEBT (Details) - USD ($)
1 Months Ended 12 Months Ended
Sep. 27, 2014
Dec. 31, 2016
Dec. 26, 2015
Oct. 17, 2014
Sep. 22, 2014
Long-term debt:          
Aggregate principal amount   $ 250,200,000 $ 250,200,000    
Debt issuance costs   (6,646,000) (7,046,000)    
Total long-term debt   755,646,000 757,995,000    
Less current installments of long-term debt   851,000 1,077,000    
Long-term debt, excluding current installments   $ 754,795,000 $ 756,918,000    
Effective interest rate (as a percent)   1.00% 1.00%    
Minimum aggregate maturities of long-term debt          
2016   $ 894,000      
2017   890,000      
2018   749,000      
2019   250,954,000      
2020   762,000      
5.00% senior unsecured notes due 2044          
Long-term debt:          
Aggregate principal amount   250,000,000 $ 250,000,000    
Unamortized premium on senior unsecured notes   $ 1,120,000      
Redemption price of notes, stated as a percentage of principal amount (as a percent)   100.00%      
Interest rate on notes (as a percent)   5.00%      
5.25% senior unsecured notes due 2054          
Long-term debt:          
Aggregate principal amount   $ 250,000,000 250,000,000    
Unamortized premium on senior unsecured notes   $ 3,240,000      
Redemption price of notes, stated as a percentage of principal amount (as a percent)   100.00%      
Interest rate on notes (as a percent)   5.30%      
Unamortized discount on 5.00% and 5.25% senior unsecured notes          
Long-term debt:          
Unamortized premium on senior unsecured notes   $ (4,360,000) (4,405,000)    
6.625% senior unsecured notes due in April 2020          
Long-term debt:          
Aggregate principal amount   250,200,000      
Unamortized premium on senior unsecured notes   $ 3,557,000 4,518,000    
Unamortized premium recognized as revenue $ 4,439,000        
Redemption price of notes, stated as a percentage of principal amount (as a percent)   100.00%      
Cash prepayment expenses $ 41,200,000        
Interest rate on notes (as a percent)   6.60%      
Repurchase amount through partial tender offer         $ 199,800,000
Revolving credit agreement          
Long-term debt:          
Total long-term debt   $ 0 0    
Previous borrowing capacity       $ 400,000,000  
Maximum borrowing capacity       $ 600,000,000  
Increase in borrowing capacity, maximum   200,000,000      
Additional borrowing capacity   584,600,000      
Standby letters of credit outstanding   $ 15,400,000      
Revolving credit agreement | Minimum          
Long-term debt:          
Basis points added to variable rate (as a percent)   0.00%      
Revolving credit agreement | Maximum          
Long-term debt:          
Basis points added to variable rate (as a percent)   6250.00%      
Revolving credit agreement | LIBOR          
Long-term debt:          
Variable interest rate basis   LIBOR (based on a 1, 2, 3 or 6 month interest period, as selected by the Company)      
Basis points added to variable rate (as a percent)   10000.00%      
Variable interest rate, base period   1 month      
Revolving credit agreement | LIBOR | Minimum          
Long-term debt:          
Basis points added to variable rate (as a percent)   10000.00%      
Revolving credit agreement | LIBOR | Maximum          
Long-term debt:          
Basis points added to variable rate (as a percent)   16250.00%      
Revolving credit agreement | Prime lending rate          
Long-term debt:          
Variable interest rate basis   prime lending rate      
Revolving credit agreement | Federal Funds rate          
Long-term debt:          
Variable interest rate basis   Federal Funds rate      
Basis points added to variable rate (as a percent)   5000.00%      
IDR Bonds          
Long-term debt:          
Total long-term debt   $ 8,500,000 8,500,000    
Other notes          
Long-term debt:          
Total long-term debt   4,395,000 $ 6,228,000    
Short Term Bank Lines Of Credit          
Long-term debt:          
Additional borrowing capacity   109,400,000      
Balance   $ 109,400,000