Commitments and Contingencies (Details Textual)	9 Months Ended
Mar. 30, 2013
Commitments and Contingencies (Textual)
Corporate headquarters lease commitment expiration year	2013

Year which lease or group of leases is set to expire, in YYYY format.

No definition available.

Name:	psem_LeaseCommitmentExpirationYear
Namespace Prefix:	psem_
Data Type:	xbrli:gYearItemType
Balance Type:	na
Period Type:	duration