New Accounting Standards (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Apr. 29, 2018	Apr. 30, 2017	Apr. 29, 2018	Apr. 30, 2017
ASU 2017-07 \| Early Adoption
New accounting standards adopted
Operating profit (loss)	$ (2.1)	$ (1.9)	$ (4.1)	$ (3.6)

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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