DISCONTINUED OPERATIONS - Additional Information (Detail)	3 Months Ended	9 Months Ended
Oct. 27, 2012 Store	Oct. 29, 2011 Store	Oct. 27, 2012 Store	Oct. 29, 2011 Store
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Underperforming stores	6	1	14	32

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