The Company - Additional Information (Detail) (USD $)	6 Months Ended		1 Months Ended	6 Months Ended
	Aug. 02, 2014 Store State	Feb. 03, 2014	Jun. 30, 2014 Convertible Senior Notes Due 2019 [Member]	Aug. 02, 2014 Convertible Senior Notes Due 2019 [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Number of retail stores	68
Number of outlet stores	17
Number of states	29
Aggregate purchase price of assets acquired		$ 2,500,000
Debt instrument, principal amount			350,000,000	350,000,000
Debt instrument, interest rate			0.00%
Debt instrument, maturity year				2019
Payment for convertible hedge transactions	73,325,000		73,325,000
Aggregate proceeds from sale of warrants	40,390,000		40,390,000	40,390,000
Cash proceeds from convertible debt issuance and convertible hedge transactions, net of initial purchasers discounts and commissions and offering costs	350,000,000		311,700,000
Offering costs	$ 5,385,000		$ 5,385,000