Quarterly report pursuant to Section 13 or 15(d)

Long-Term Indebtedness (Details)

v3.7.0.1
Long-Term Indebtedness (Details) - USD ($)
$ in Thousands
Feb. 28, 2017
Aug. 31, 2016
Debt Instrument [Line Items]    
Total Senior Indebtedness $ 576,809 $ 584,309
Less: Current maturities of long-term debt (26,250) (18,750)
Deferred Finance Costs, Own-share Lending Arrangement, Issuance Costs, Net (3,501)  
Line of Credit    
Debt Instrument [Line Items]    
Total Senior Indebtedness 288,750 296,250
Line of Credit | Senior Credit Facility - Revolver    
Debt Instrument [Line Items]    
Total Senior Indebtedness 0 0
Line of Credit | Senior Credit Facility - Term Loan    
Debt Instrument [Line Items]    
Total Senior Indebtedness 288,750 296,250
Senior Notes | 5.625% Senior Notes    
Debt Instrument [Line Items]    
Senior Notes, Noncurrent $ 288,100 $ 288,059