Share-Based Plans - Options (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended			6 Months Ended
	Jul. 29, 2017	Apr. 29, 2017	Jul. 30, 2016	Jul. 29, 2017	Jan. 28, 2017	Jul. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding stock options, beginning balance	479,688	589,675		589,675
Exercised	(41,687)	(104,987)
Forfeited	0	(5,000)
Outstanding stock options, ending balance	438,001	479,688		438,001	589,675
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Options, Vested and Expected to Vest, Outstanding, Number	438,001			438,001
Options, Exercisable, Number	424,562			424,562
Options, Outstanding, Weighted Average Exercise Price	$ 39.39	$ 39.18		$ 39.39	$ 38.75
Options, Exercises in Period, Weighted Average Exercise Price	37.00	36.88
Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price	0.00	$ 36.93
Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price	39.39			39.39
Options, Exercisable, Weighted Average Exercise Price	$ 39.47			$ 39.47
Options, Outstanding, Weighted Average Remaining Contractual Term	1 year 11 months 11 days	2 years 2 months 1 day
Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term	1 year 11 months 11 days
Options, Exercisable, Weighted Average Remaining Contractual Term	1 year 11 months 11 days
Options, Outstanding, Intrinsic Value	$ 4,835	$ 5,424		$ 4,835
Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value	4,835			4,835
Options, Exercisable, Intrinsic Value	4,652			4,652
Total intrinsic value of stock options exercised	$ 539		$ 4,780	$ 2,077		$ 5,580
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period				4 years
Share Based Compensation Arrangement By Share Based Payment Award, Award Expiration Period From Grant Date				7 years