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Long Term Debt - Revolving Credit Agreement (Details) - USD ($)
3 Months Ended 9 Months Ended
Nov. 14, 2017
Dec. 01, 2018
Nov. 25, 2017
Dec. 01, 2018
Nov. 25, 2017
Aug. 06, 2014
Senior Unsecured Notes and Revolver [Member]            
Debt Instrument [Line Items]            
Interest expense   $ 18,200,000 $ 18,200,000 $ 54,700,000 $ 54,700,000  
Revolving Credit Facility [Member] | Revolver [Member]            
Debt Instrument [Line Items]            
Senior unsecured revolving credit facility $ 250,000,000          
Debt instrument term (in years) 5 years          
Revolving Credit Facility [Member] | New Revolver [Member]            
Debt Instrument [Line Items]            
Senior unsecured revolving credit facility $ 250,000,000          
Debt instrument term (in years) 5 years          
Other Assets [Member] | Senior Unsecured Notes and Revolver [Member]            
Debt Instrument [Line Items]            
Deferred financing costs           $ 10,500,000