Shareholders' Equity - Employee Stock Purchase Plan - Additional Information (Detail)	12 Months Ended
Feb. 02, 2013
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Percentage of discount in purchasing common stock from fair market value under ESPP	10.00%
Purchasing period of stock under ESPP	6 months
Period of service for eligibility in the ESPP	3 months

Employee stock purchase plan discount from market price on purchasing period beginning or end.

No definition available.

Name:	psun_EmployeeStockPurchasePlanDiscountFromMarketPriceOnPurchasingPeriodBeginningOrEnd
Namespace Prefix:	psun_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration