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BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Equity-based compensation (Details) - USD ($)
$ in Millions
9 Months Ended 12 Months Ended
Aug. 25, 2019
Apr. 25, 2019
Nov. 30, 2019
Dec. 01, 2018
Feb. 23, 2019
Feb. 24, 2018
Feb. 25, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Equity-based compensation expense     $ 3.0        
Income tax benefit         $ 12.9 $ 15.6 $ 11.1
Compensation cost not yet recognized     $ 7.8        
Period for recognition of unrecognized compensation cost     4 years        
Fair value of equity interests deemed granted   $ 10.8          
Percent of awards excluded from fair value computation, due to unestablished performance targets   40.00%          
Phantom units              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Equity-based compensation expense     $ 21.8 $ 35.5 47.7 $ 45.9 $ 53.3
Income tax benefit     5.7 $ 9.6      
Compensation cost not yet recognized     $ 35.4   $ 53.7    
Number of unvested phantom units (in shares)     1,300,000   1,700,000    
Period for recognition of unrecognized compensation cost     1 year 10 months 24 days   2 years 6 months    
Phantom units | Investor incentive units              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Stock Issued During Period, Shares, Conversion of Units     1     1  
President and Chief Executive Officer | Direct Equity Interest              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Award vesting period   5 years          
Award Based On Service Period | President and Chief Executive Officer | Direct Equity Interest              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Vesting percentage 50.00%            
Award Based On Service Period And Achievement Of Certain Performance Based Thresholds | President and Chief Executive Officer | Direct Equity Interest              
New Accounting Pronouncements or Change in Accounting Principle [Line Items]              
Vesting percentage 50.00%