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Significant Accounting Policies - Summary of Allowance for Sales Returns, Net of Cost of Goods Sold (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Feb. 01, 2014
Feb. 02, 2013
Jan. 28, 2012
Accounting Policies [Abstract]      
Balance at beginning of fiscal year $ 5,206 $ 3,181 $ 3,403
Provision for sales returns 165,470 134,909 102,875
Actual sales returns (158,534) (132,884) (103,097)
Balance at end of fiscal year $ 12,142 $ 5,206 $ 3,181