Discontinued Operations - Additional Information (Detail)	3 Months Ended	9 Months Ended
Nov. 01, 2014 Store	Nov. 02, 2013 Store	Nov. 01, 2014 Store	Nov. 02, 2013 Store
Discontinued Operations and Disposal Groups [Abstract]
Number of underperforming stores which were closed	1	3	3	13

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