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Summary of Significant Accounting Policies Goodwill and Other Intangible Assets (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 01, 2015
USD ($)
reporting_unit
Feb. 29, 2016
USD ($)
Feb. 28, 2015
USD ($)
Feb. 29, 2016
USD ($)
Feb. 28, 2015
USD ($)
Feb. 01, 2016
USD ($)
Aug. 31, 2015
USD ($)
Goodwill Impairment [Line Items]              
Number of Reporting Units | reporting_unit 2            
Goodwill   $ 166,276   $ 166,276     $ 175,676
Goodwill impairment charge   $ 8,845 $ 141,021 $ 8,845 $ 141,021    
Regionally Defined Reporting Unit Consisting of Two Components              
Goodwill Impairment [Line Items]              
Goodwill $ 9,000         $ 9,000  
Regionally Defined Reporting Unit Consisting of One Component              
Goodwill Impairment [Line Items]              
Goodwill $ 168,000         $ 166,000