Share-Based Plans Share-Based Plans - Options (Details) - Stock Options [Member] - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
	May 05, 2018	Feb. 03, 2018
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding stock options, beginning balance	280,626
Exercised	(625)
Forfeited	0
Outstanding stock options, ending balance	280,001	280,626
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Options, Vested and Expected to Vest, Outstanding, Number	280,001
Options, Exercisable, Number	280,001
Options, Outstanding, Weighted Average Exercise Price	$ 39.06	$ 39.04
Options, Exercises in Period, Weighted Average Exercise Price	31.76
Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price	0.00
Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price	39.06
Options, Exercisable, Weighted Average Exercise Price	$ 39.06
Options, Outstanding, Weighted Average Remaining Contractual Term	1 year 5 months 15 days
Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term	1 year 5 months 15 days
Options, Exercisable, Weighted Average Remaining Contractual Term	1 year 5 months 15 days
Options, Outstanding, Intrinsic Value	$ 930
Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value	930
Options, Exercisable, Intrinsic Value	$ 930
Award Requisite Service Period	4 years
Share-based Compensation Arrangement by Share-based Payment Award, Award Term	7 years