Basis of Presentation and Summary of Significant Accounting Policies - Effects of Newly Adopted Accounting Standards (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 04, 2018	Jul. 29, 2017	Aug. 04, 2018	Jul. 29, 2017	Feb. 03, 2018
ASSETS
Inventories	$ 224,233	$ 235,167	$ 224,233	$ 235,167	$ 233,726
Prepaid expenses and other current assets	57,301	49,381	57,301	49,381	60,668
Other assets, net	13,327	16,745	13,327	16,745	16,338
LIABILITIES AND SHAREHOLDERS’ EQUITY
Other current and deferred liabilities	119,497	123,137	119,497	123,137	133,715
Deferred taxes	4,640	11,222	4,640	11,222	7,372
Retained earnings	607,643	565,650	607,643	565,650	599,810
Accumulated other comprehensive (loss) income	(115)	113	(115)	113	(44)
Net Sales	544,720	578,581	1,106,535	1,162,309
Cost of goods sold	347,853	369,480	682,800	715,795
Selling, general and administrative expenses	174,089	$ 173,642	360,508	$ 356,181
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) income					(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) income					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) income					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) income					$ (83)
Effects of Standard | ASU 2014-09
ASSETS
Inventories	1,662		1,662
Prepaid expenses and other current assets	(4,263)		(4,263)
LIABILITIES AND SHAREHOLDERS’ EQUITY
Other current and deferred liabilities	(1,331)		(1,331)
Net Sales	2,584		(4,078)
Cost of goods sold	694		(2,171)
Selling, general and administrative expenses	1,426		(637)
Balances Without Adoption of ASU 2014-09
ASSETS
Inventories	225,895		225,895
Prepaid expenses and other current assets	53,038		53,038
LIABILITIES AND SHAREHOLDERS’ EQUITY
Other current and deferred liabilities	118,166		118,166
Net Sales	547,304		1,102,457
Cost of goods sold	348,547		680,629
Selling, general and administrative expenses	$ 175,515		$ 359,871