Description of Business and Significant Accounting Policies - Insurance Reserves (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Feb. 03, 2018	Jan. 28, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Quarter over quarter change in the workers compensation and general liability reserve before tax, benefit (expense)	$ (2.4)	$ 1.7
Quarter over quarter change in the workers compensation and general liability reserve after tax, Quarter over quarter change in the workers compensation and general liability reserve before tax, benefit (expense)	$ (1.5)	$ 1.1
Quarter over quarter change in the workers compensation and general liability reserve after tax, Quarter over quarter change in the workers compensation and general liability reserve before tax, benefit (expense) per diluted share (in dollars per share)	$ (0.09)	$ 0.07
Self-insurance reserve	$ 7.1	$ 6.0