Discontinued Operations - Additional Information (Detail)	12 Months Ended
Feb. 02, 2013 Store	Jan. 28, 2012 Store	Jan. 29, 2011 Store
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of underperforming stores which were closed	92	119	44

Number of stores closed which were included in discontinued operations.

No definition available.

Name:	psun_NumberOfStoresClosedIncludedInDiscontinuedOperations
Namespace Prefix:	psun_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration