Consolidated Statements Of Income (Parenthetical) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Mar. 31, 2012
Consolidated Statements Of Income [Abstract]
Litigation Settlement from Forest Products Business Unit, tax	$ 493

Litigation settlement from forest products business unit, tax.

No definition available.

Name:	prcp_LitigationSettlementFromForestProductsBusinessUnitTax
Namespace Prefix:	prcp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration