1.0.0.3 false 6110 - SUBSEQUENT EVENTS false 1 $ false false u000 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 u001 Standard http://www.xbrl.org/2003/instance shares xbrli 0 u002 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 2 SUBSEQUENT EVENTS 0 pde_SubsequentEventsAbstract pde false na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false No definition available. false 3 Note 12. Subsequent Events 1 us-gaap_ScheduleOfSubsequentEventsTextBlock us-gaap true na duration string Describes disclosed significant events or transactions that occurred after the balance sheet date, but before the issuance of... false false false false false false false false false 1 false false 0 0 <div><div><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">SUBSEQUENT EVENTS</font></div><div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-STYLE: italic; FONT-FAMILY: Times New Roman">Increase in Availability under Revolving Credit Facility</font></div><div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div><div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 18pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">In July 2009, borrowing availability under our unsecured revolving credit facility was increased from $300 million to $320 million.</font></div></div></div> SUBSEQUENT EVENTSIncrease in Availability under Revolving Credit FacilityIn July 2009, borrowing availability under our unsecured revolving credit facility was false false Describes disclosed significant events or transactions that occurred after the balance sheet date, but before the issuance of the financial statements. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, losses resulting from fire or flood, losses on receivables, significant realized and unrealized gains and losses that result from changes in quoted market prices of securities, declines in market prices of inventory, changes in authorized or issued debt (SEC), significant foreign exchange rate changes, substantial loans to insiders or affiliates, significant long-term investments, and substantial dividends not in the ordinary course of business. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 11 false false 1 2 false UnKnown UnKnown UnKnown false true