v3.20.4
Condensed Cash Flow Statement (Details) - USD ($)
 3 Months Ended
Oct. 31, 2020
Nov. 02, 2019
Aug. 01, 2020
Aug. 03, 2019
Condensed Cash Flow Statements, Captions [Line Items]        
Net Cash Provided by (Used in) Operating Activities $ (137,000,000.0) $ (41,700,000)    
Capital expenditures (2,900,000) (29,200,000)    
Net Cash Provided by (Used in) Investing Activities 37,900,000 (24,200,000)    
Cash flows used in financing activities (100,600,000) 0    
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents 381,900,000 263,300,000 $ 581,600,000 $ 329,200,000
Proceeds from new term loan 312,300,000 0    
Payments of term loan (162,300,000) 0    
Repayments of revolver borrowings (230,000,000.0) 0    
Payment of deferred financing costs (20,600,000) $ 0    
Restricted Cash and Cash Equivalents 1,600,000      
Debtor-in-Possession        
Condensed Cash Flow Statements, Captions [Line Items]        
Net Cash Provided by (Used in) Operating Activities (122,200)      
Capital expenditures (2,900)      
Payments to Acquire Intangible Assets 40,800      
Net Cash Provided by (Used in) Investing Activities 37,900      
Cash flows used in financing activities (100,600)      
Cash and Cash Equivalents, Period Increase (Decrease) (184,900)      
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents     $ 554,700  
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations [1] 369,800      
Proceeds from new term loan 312,300      
Payments of term loan (162,300)      
Repayments of revolver borrowings (230,000.0)      
Payment of deferred financing costs $ (20,600)      
[1] Difference of $1.6 million to the Cash and cash equivalents balance on the debtor-in-possession balance sheet above represents restricted cash included in other assets and cash included in discontinued operations