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SHORT-TERM AND LONG-TERM DEBT (Details) - USD ($)
6 Months Ended
Jan. 30, 2017
Apr. 25, 2016
Jul. 15, 2014
Apr. 30, 2017
Apr. 30, 2016
Jan. 31, 2017
Oct. 31, 2016
Debt Instrument [Line Items]              
Amortization of debt issuance costs included in interest expense       $ 200,000 $ 300,000    
Secured debt | Term Loan 2022              
Debt Instrument [Line Items]              
Debt issuance costs, net $ 2,900,000     3,470,000      
Term loan principal amount 400,000,000         $ 400,000,000  
Principal Balance 399,500,000     399,000,000      
Installment payments 1,000,000            
Original discount $ 500,000     2,153,000      
Debt instrument, prepayment premium 1.00%            
Secured debt | Term Loan 2019 and Term Loan 2021              
Debt Instrument [Line Items]              
Debt issuance costs, net $ 3,500,000     3,500,000     $ 4,900,000
Amortization of debt issuance costs included in interest expense       500,000 400,000    
Repurchased face amount 493,100,000            
Original discount $ 1,700,000            
Secured debt | Term loan 2019              
Debt Instrument [Line Items]              
Term loan principal amount     $ 250,000,000        
Installment payments     $ 600,000        
Secured debt | Term loan 2021              
Debt Instrument [Line Items]              
Term loan principal amount   $ 250,000,000          
Installment payments   $ 600,000          
Convertible senior notes | Convertible senior notes due 2017, 2018 and 2020              
Debt Instrument [Line Items]              
Debt issuance costs, net       2,900,000     $ 3,900,000
Amortization of debt issuance costs included in interest expense       $ 1,000,000 $ 1,400,000    
London Interbank offered rate (LIBOR) | Secured debt | Term Loan 2022              
Debt Instrument [Line Items]              
Debt instrument, LIBOR interest floor 0.75%            
Debt instrument, basis spread on variable rate 2.50%            
Base rate | Secured debt | Term Loan 2022              
Debt Instrument [Line Items]              
Debt instrument, basis spread on variable rate 1.50%            
Debt instrument, interest rate floor 1.75%