Discontinued Operations - Additional Information (Detail)	3 Months Ended
May 03, 2014 Store	May 04, 2013 Store
Discontinued Operations and Disposal Groups [Abstract]
Number of underperforming stores which were closed	1	7

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