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Borrowings Borrowings (Schedule of Carrying Values of Liability and Equity Components) (Details) - USD ($)
$ in Thousands
Oct. 29, 2016
Oct. 31, 2015
Debt Instrument    
Long-term debt, gross $ 1,655,000 $ 875,298
Unamortized discount (73,540) (79,196)
Convertible Senior Unsecured 2020 Notes    
Debt Instrument    
Long-term debt, gross 575,000 575,000
Unamortized discount (59,398) (76,311)
Long-term Debt 515,602 498,689
Debt Instrument, Convertible, Carrying Amount of Equity Component $ 55,374 $ 70,765