Change in Accounting Principle-Stock-Based Compensation - Components of Company's Consolidated Statements of Operations (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 03, 2013	Jul. 28, 2012	Aug. 03, 2013	Jul. 28, 2012
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net revenues	$ 382,098	$ 292,906	$ 683,435	$ 510,820
Cost of goods sold	242,872	178,779	442,332	321,425
Gross profit	139,226	114,127	241,103	189,395
Selling, general and administrative expense	167,006	94,465	268,372	171,830
Income from operations	(27,780)	19,662	(27,269)	17,565
Interest expense	(1,191)	(1,479)	(2,031)	(3,054)
Income before income taxes	(28,971)	18,183	(29,300)	14,511
Income tax expense	(11,136)	567	(11,304)	623
Net income	(17,835)	17,616	(17,996)	13,888
Shares used in computing basic and diluted net income per share	38,712,000	1,000	38,394,013	1,000
Basic and diluted net income per share	$ (0.46)	$ 17,616.00	$ (0.47)	$ 13,888.00
Graded Method [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net revenues		292,906		510,820
Cost of goods sold		178,779		321,425
Gross profit		114,127		189,395
Selling, general and administrative expense		94,328		171,729
Income from operations		19,799		17,666
Interest expense		(1,479)		(3,054)
Income before income taxes		18,320		14,612
Income tax expense		567		623
Net income		17,753		13,989
Shares used in computing basic and diluted net income per share		1,000		1,000
Basic and diluted net income per share		$ 17,753.00		$ 13,989.00
Straight-Line Method [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net revenues		292,906		510,820
Cost of goods sold		178,779		321,425
Gross profit		114,127		189,395
Selling, general and administrative expense		94,465		171,830
Income from operations		19,662		17,565
Interest expense		(1,479)		(3,054)
Income before income taxes		18,183		14,511
Income tax expense		567		623
Net income		$ 17,616		$ 13,888
Shares used in computing basic and diluted net income per share		1,000		1,000
Basic and diluted net income per share		$ 17,616.00		$ 13,888.00