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MARKETABLE SECURITIES - Amortized Cost and Fair Value (Details) - USD ($)
$ in Millions
12 Months Ended
Oct. 28, 2018
Oct. 29, 2017
Amortized cost and fair value of marketable securities    
Amortized Cost $ 496.0 $ 441.0
Gross Unrealized Gains 12.0 17.0
Gross Unrealized Losses 18.0 6.0
Fair Value 490.1 451.6
Equity Fund    
Amortized cost and fair value of marketable securities    
Amortized Cost 36.0 37.0
Gross Unrealized Gains 10.0 11.0
Fair Value 46.0 48.0
Fixed Income Funds    
Amortized cost and fair value of marketable securities    
Amortized Cost   15.0
Fair Value   15.0
U.S. Government Debt Securities    
Amortized cost and fair value of marketable securities    
Amortized Cost 113.0 76.0
Gross Unrealized Gains 1.0 1.0
Gross Unrealized Losses 3.0  
Fair Value 111.0 77.0
Municipal Debt Securities    
Amortized cost and fair value of marketable securities    
Amortized Cost 49.0 39.0
Gross Unrealized Gains   1.0
Gross Unrealized Losses 3.0 1.0
Fair Value 46.0 39.0
Corporate Debt Securities    
Amortized cost and fair value of marketable securities    
Amortized Cost 143.0 133.0
Gross Unrealized Gains 1.0 3.0
Gross Unrealized Losses 4.0 1.0
Fair Value 140.0 135.0
International Debt Securities    
Amortized cost and fair value of marketable securities    
Amortized Cost 11.0 22.0
Gross Unrealized Losses 1.0 2.0
Fair Value 10.0 20.0
Mortgage-backed Securities    
Amortized cost and fair value of marketable securities    
Amortized Cost 144.0 119.0
Gross Unrealized Gains   1.0
Gross Unrealized Losses 7.0 2.0
Fair Value $ 137.0 $ 118.0