New Accounting Standards (Details) - USD ($) $ in Millions	3 Months Ended
	Feb. 02, 2020	Nov. 04, 2019
ASU 2016-02
New accounting standards
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]	true
Change in Accounting Principle, Accounting Standards Update, Transition Option Elected [Fixed List]	Modified Retrospective
Lease, Practical Expedients, Package [true false]	true
Lease, Practical Expedient, Use of Hindsight [true false]	false
Right of use asset		$ 5.1
Lease liability		$ 5.1
ASU 2016-13
New accounting standards
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]	false
ASU 2018-15
New accounting standards
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]	false
ASU 2019-12
New accounting standards
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]	false