XML 78 R68.htm IDEA: XBRL DOCUMENT v3.3.0.814
CREDIT ARRANGEMENTS (Narrative) (Details)
 1 Months Ended 12 Months Ended
Jun. 26, 2014
USD ($)
May. 31, 2013
USD ($)
Aug. 31, 2008
USD ($)
Jul. 31, 2007
USD ($)
Aug. 31, 2015
USD ($)
Aug. 31, 2014
USD ($)
Aug. 31, 2013
USD ($)
Aug. 31, 2012
USD ($)
Jun. 25, 2014
USD ($)
Debt Instrument [Line Items]                  
Loss on debt extinguishment         $ 0 $ 0 $ 4,758,000    
Net proceeds from termination of interest rate swaps               $ 52,700,000  
Deferred gain of interest rate swaps         19,200,000 26,800,000      
Amortization of interest rate swaps termination gain         7,597,000 7,597,000 12,470,000    
Interest costs capitalized             1,000,000    
Interest paid         86,700,000 85,600,000 $ 82,500,000    
CMCP                  
Debt Instrument [Line Items]                  
Revolving credit facility current borrowing capacity         56,900,000        
Annual total borrowing         49,600,000 111,700,000      
Annual total payments         49,600,000 111,700,000      
Revolving credit agreement                  
Debt Instrument [Line Items]                  
Debt instrument, issuance date Jun. 26, 2014                
Revolving credit facility current borrowing capacity $ 350,000,000                
Revolving credit facility, maturity date Jun. 26, 2019                
Revolving credit facility expired borrowing capacity                 $ 300,000,000
Revolving credit facility, maximum borrowing capacity         $ 500,000,000        
Minimum interest coverage ratio         2.5        
Maximum debt to capitalization ratio         0.60        
Minimum liquidity required         $ 150,000,000        
Actual interest coverage ratio         5.76        
Actual debt to capitalization ratio         0.49        
Stand-by letters of credit                  
Debt Instrument [Line Items]                  
Revolving credit facility current borrowing capacity         $ 50,000,000        
Stand by letters of credit outstanding amount         23,400,000 28,100,000      
$330 million notes at 4.875% due May 2023                  
Debt Instrument [Line Items]                  
Debt instrument, issuance date   May 20, 2013              
Debt instrument, face amount   $ 330,000,000     $ 330,000,000        
Debt instrument, interest rate, stated percentage   4.875%     4.875%        
Proceeds from debt, net of underwriting discounts and issuance costs   $ 325,000,000              
$200 million notes at 5.625% due November 2013                  
Debt Instrument [Line Items]                  
Debt instrument, face amount   $ 200,000,000              
Debt instrument, interest rate, stated percentage   5.625%              
Proceeds of 2023 Notes used to repay debt   $ 205,300,000              
$500 million notes at 7.35% due August 2018                  
Debt Instrument [Line Items]                  
Debt instrument, issuance date     Aug. 04, 2008            
Debt instrument, face amount     $ 500,000,000   $ 500,000,000 $ 500,000,000      
Debt instrument, interest rate, stated percentage     7.35%   7.35% 7.35%      
Debt instrument, maturity date     Aug. 15, 2018            
Effective interest rate     6.40%            
$400 million notes at 6.50% due July 2017                  
Debt Instrument [Line Items]                  
Debt instrument, issuance date       Jul. 17, 2007          
Debt instrument, face amount       $ 400,000,000 $ 400,000,000 $ 400,000,000      
Debt instrument, interest rate, stated percentage       6.50% 6.50% 6.50%      
Debt instrument, maturity date       Jul. 15, 2017          
Effective interest rate       5.74%