Special Charges - Workforce Reductions (Table) (Details) - USD ($) $ in Thousands	3 Months Ended					6 Months Ended		12 Months Ended
	May 05, 2018	Feb. 03, 2018	Apr. 29, 2017	Jan. 28, 2017	Apr. 30, 2016	May 05, 2018	Apr. 29, 2017	Oct. 28, 2017	Oct. 29, 2016
Restructuring Cost and Reserve [Line Items]
Fiscal 2018 special charges	$ 1,089		$ 0			$ 58,407	$ 49,463
Workforce Reductions Plan 2016
Restructuring Cost and Reserve [Line Items]
Fiscal 2018 special charges									$ 13,684
Workforce Reductions Plan 2017
Restructuring Cost and Reserve [Line Items]
Fiscal 2018 special charges								$ 49,463
Workforce Reductions Plan 2018
Restructuring Cost and Reserve [Line Items]
Fiscal 2018 special charges						58,407
Facility Closing | Workforce Reductions Plan 2016
Restructuring Cost and Reserve [Line Items]
Fiscal 2018 special charges									0
Facility Closing | Workforce Reductions Plan 2017
Restructuring Cost and Reserve [Line Items]
Fiscal 2018 special charges								0
Facility Closing | Workforce Reductions Plan 2018
Restructuring Cost and Reserve [Line Items]
Fiscal 2018 special charges	1,089	$ 41,201				42,290
Reduction of Operating Costs Action | Workforce Reductions Plan 2016
Restructuring Cost and Reserve [Line Items]
Fiscal 2018 special charges					$ 13,700				13,684
Reduction of Operating Costs Action | Workforce Reductions Plan 2017
Restructuring Cost and Reserve [Line Items]
Fiscal 2018 special charges				$ 8,100				8,126
Reduction of Operating Costs Action | Workforce Reductions Plan 2018
Restructuring Cost and Reserve [Line Items]
Fiscal 2018 special charges	0	16,117
Early Retirement Action
Restructuring Cost and Reserve [Line Items]
Fiscal 2018 special charges	$ 0	$ 0
Early Retirement Action | Workforce Reductions Plan 2016
Restructuring Cost and Reserve [Line Items]
Fiscal 2018 special charges									$ 0
Early Retirement Action | Workforce Reductions Plan 2017
Restructuring Cost and Reserve [Line Items]
Fiscal 2018 special charges				$ 41,300				$ 41,337
Early Retirement Action | Workforce Reductions Plan 2018
Restructuring Cost and Reserve [Line Items]
Fiscal 2018 special charges						$ 0