Basis of Presentation and Summary of Significant Accounting Policies - Effects of Newly Adopted Accounting Standards (Details) - USD ($) $ in Thousands	3 Months Ended
	May 05, 2018	Apr. 29, 2017	Feb. 03, 2018
ASSETS
Inventories	$ 253,777	$ 273,878	$ 233,726
Prepaid expenses and other current assets	53,494	46,900	60,668
Other assets, net	10,707	18,432	16,338
LIABILITIES AND SHAREHOLDERS’ EQUITY
Other current and deferred liabilities	145,893	149,151	133,715
Deferred taxes	6,560	14,613	7,372
Retained earnings	601,801	553,466	599,810
Accumulated other comprehensive loss	(182)	(31)	(44)
Sales	561,815	583,728
Cost of Goods Sold	334,947	346,315
Selling, general and administrative expenses	186,419	$ 182,539
ASU 2018-02
ASSETS
Inventories			0
Prepaid expenses and other current assets			0
Other assets, net			0
LIABILITIES AND SHAREHOLDERS’ EQUITY
Other current and deferred liabilities			0
Deferred taxes			0
Retained earnings			39
Accumulated other comprehensive loss			(39)
ASU 2016-16
ASSETS
Inventories			0
Prepaid expenses and other current assets			(500)
Other assets, net			(5,206)
LIABILITIES AND SHAREHOLDERS’ EQUITY
Other current and deferred liabilities			0
Deferred taxes			0
Retained earnings			(5,706)
Accumulated other comprehensive loss			0
ASU 2016-01
ASSETS
Inventories			0
Prepaid expenses and other current assets			0
Other assets, net			0
LIABILITIES AND SHAREHOLDERS’ EQUITY
Other current and deferred liabilities			0
Deferred taxes			0
Retained earnings			0
Accumulated other comprehensive loss			0
ASU 2014-09
ASSETS
Inventories			(824)
Prepaid expenses and other current assets			5,389
Other assets, net			0
LIABILITIES AND SHAREHOLDERS’ EQUITY
Other current and deferred liabilities			3,677
Deferred taxes			236
Retained earnings			652
Accumulated other comprehensive loss			0
February 3, 2018 (As Adjusted)
ASSETS
Inventories			232,902
Prepaid expenses and other current assets			65,557
Other assets, net			11,132
LIABILITIES AND SHAREHOLDERS’ EQUITY
Other current and deferred liabilities			137,392
Deferred taxes			7,608
Retained earnings			594,795
Accumulated other comprehensive loss			$ (83)
Effects of Standard | ASU 2014-09
ASSETS
Inventories	2,453
Prepaid expenses and other current assets	(2,304)
LIABILITIES AND SHAREHOLDERS’ EQUITY
Other current and deferred liabilities	1,750
Sales	(6,662)
Cost of Goods Sold	(2,865)
Selling, general and administrative expenses	(2,196)
Balances Without Adoption of ASU 2014-09
ASSETS
Inventories	256,230
Prepaid expenses and other current assets	51,190
LIABILITIES AND SHAREHOLDERS’ EQUITY
Other current and deferred liabilities	147,643
Sales	555,153
Cost of Goods Sold	332,082
Selling, general and administrative expenses	$ 184,223