2.4.0.81044 - Disclosure - Pensions and Other Postretirement Benefits (Tables)truefalsefalse1false falsefalseeol_PE9760----1210-K0011_STD_366_20120831_0http://www.sec.gov/CIK0000739608duration2011-09-01T00:00:002012-08-31T00:00:001true 1us-gaap_CompensationAndRetirementDisclosureAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Compensation And Retirement Disclosure [Abstract]2false 2us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div> The following represents information summarizing the Company’s pension and other postretirement benefit plans. A measurement date of August 31, 2012 was used for all plans.   <table style="BORDER-COLLAPSE: collapse" border="0" cellspacing="0" cellpadding="0" width="92%" align="center">  <tr> <td width="64%"></td> <td valign="bottom" width="3%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="3%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="3%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="3%"></td> <td></td> <td></td> <td></td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="14" align="center">Year Ended August 31,</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center">Pension Benefits</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center">Other Benefits</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">2012</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">2011</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">2012</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">2011</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="14" align="center">(Dollars in thousands)</td> <td valign="bottom"> </td> </tr>  <tr bgcolor="#CCEEFF"> <td valign="top"> Change in benefit obligation: </td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> </tr> <tr> <td valign="top"> Benefit obligation at September 1 </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">47,545</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">48,875</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">16,924</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">17,580</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Service cost </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,521</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,617</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">229</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">272</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr> <td valign="top"> Interest cost </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2,729</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2,696</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">972</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">972</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Plan participants’ contributions </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">119</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">134</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr> <td valign="top"> Amendments </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">212</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Actuarial (gain) loss </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">619</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(1,099</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(170</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">333</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr> <td valign="top"> Change in assumptions </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">12,359</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(2,560</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">3,024</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(1,736</td> <td valign="bottom" nowrap="nowrap">) </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Benefits paid </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(1,996</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(1,984</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(641</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(631</td> <td valign="bottom" nowrap="nowrap">) </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> </tr> <tr> <td valign="top"> Benefit obligation at August 31 </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">62,989</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">47,545</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">20,457</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">16,924</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Change in plan assets: </td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> </tr> <tr> <td valign="top"> Fair value of plan assets at September 1 </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">36,328</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">28,278</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Actual return on plan assets </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">3,688</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">3,618</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr> <td valign="top"> Company contributions </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">4,052</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">6,416</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">522</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">497</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Plan participants’ contributions </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">119</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">134</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr> <td valign="top"> Benefits paid </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(1,996</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(1,984</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(641</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(631</td> <td valign="bottom" nowrap="nowrap">) </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Fair value of the plan assets at August 31 </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">42,072</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">36,328</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> </tr> <tr> <td valign="top"> Funded status: </td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Net liability – Plan assets less than projected benefit obligation </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(20,917</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(11,217</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(20,457</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(16,924</td> <td valign="bottom" nowrap="nowrap">) </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> </tr> <tr> <td valign="top"> Recognized as: </td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Current accrued benefit liability </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(750</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(731</td> <td valign="bottom" nowrap="nowrap">) </td> </tr> <tr> <td valign="top"> Non-current accrued benefit liability </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(20,917</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(11,217</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(19,707</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(16,193</td> <td valign="bottom" nowrap="nowrap">) </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Net Amount Recognized </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(20,917</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(11,217</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(20,457</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(16,924</td> <td valign="bottom" nowrap="nowrap">) </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> </tr> </table> </div>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e2417-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=21916443&loc=d3e4179-114921 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e2439-114920 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e2410-114920 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5, 6, 7 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 158 -Paragraph 4, 7, 16, 20, 21 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false0Summary of Pension and Other Postretirement Benefit Plans3false 2us-gaap_ScheduleOfAmountsInAccumulatedOtherComprehensiveIncomeLossToBeRecognizedOverNextFiscalYearTableTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div> Accumulated other comprehensive loss consists of the following amounts that have not yet been recognized as components of net benefit cost (dollars in thousands):   <table style="BORDER-COLLAPSE: collapse" border="0" cellspacing="0" cellpadding="0" width="92%" align="center">  <tr> <td width="71%"></td> <td valign="bottom" width="3%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="3%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="3%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="3%"></td> <td></td> <td></td> <td></td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center">August 31, 2012</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center">August 31, 2011</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="2" align="center">Pension</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="2" align="center">Other</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" colspan="2" align="center">Pension</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="2" align="center">Other</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">Benefits</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">Benefits</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">Benefits</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">Benefits</td> <td valign="bottom"> </td> </tr>  <tr bgcolor="#CCEEFF"> <td valign="top"> Unrecognized prior service cost (credit) </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">1,529</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(307</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">1,545</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(459</td> <td valign="bottom" nowrap="nowrap">) </td> </tr> <tr> <td valign="top"> Unrecognized net actuarial loss </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">22,976</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">3,594</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">11,545</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">740</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom">  </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom">  </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Total </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">24,505</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">3,287</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">13,090</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">281</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom">  </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom">  </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> </tr> </table> </div>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of the amounts related to pension plans and/or other employee benefit plans in accumulated other comprehensive income (loss) expected to be recognized as components of net periodic benefit cost over the next fiscal year, including the net gain (loss), net prior service cost or credit, and net transition asset or obligation.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (s) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 false0Components of Accumulated Other Comprehensive Loss Unrecognized4false 2us-gaap_ScheduleOfBenefitObligationsInExcessOfFairValueOfPlanAssetsTableTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div> Selected information related to the Company’s defined benefit pension plans that have benefit obligations in excess of fair value of plan assets is presented below (dollars in thousands):   <table style="BORDER-COLLAPSE: collapse" border="0" cellspacing="0" cellpadding="0" width="76%" align="center">  <tr> <td width="80%"></td> <td valign="bottom" width="4%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="4%"></td> <td></td> <td></td> <td></td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center">August 31,</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">2012</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">2011</td> <td valign="bottom"> </td> </tr>  <tr bgcolor="#CCEEFF"> <td valign="top"> Projected benefit obligation </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">62,989</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">47,545</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr> <td valign="top"> Accumulated benefit obligation </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">59,853</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">46,113</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Fair value of plan assets </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">42,072</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">36,328</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> </table> </div>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of the aggregate benefit obligation and aggregate fair value of plan assets for pension plans and/or other employee benefit plans with benefit obligations in excess of plan assets as of the measurement date.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e2417-114920 false0Benefit Obligations in Excess of Fair Value of Plan Assets5false 2us-gaap_ScheduleOfNetBenefitCostsTableTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div> Net Periodic Benefit Cost   <table style="BORDER-COLLAPSE: collapse" border="0" cellspacing="0" cellpadding="0" width="100%" align="center">  <tr> <td width="64%"></td> <td valign="bottom" width="2%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="2%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="2%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="2%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="2%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="2%"></td> <td></td> <td></td> <td></td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="22" align="center">Year Ended August 31,</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="10" align="center">Pension Benefits</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="10" align="center">Other Benefits</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">2012</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">2011</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">2010</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">2012</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">2011</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">2010</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="22" align="center">(Dollars in thousands)</td> <td valign="bottom"> </td> </tr>  <tr bgcolor="#CCEEFF"> <td valign="top"> Components of net periodic benefit cost </td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> </tr> <tr> <td valign="top"> Service cost </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">1,521</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">1,617</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">1,608</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">229</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">272</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">353</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Interest cost </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2,729</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2,696</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2,633</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">972</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">972</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,077</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr> <td valign="top"> Expected return on plan assets </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(2,914</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(2,234</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(2,022</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Amortization of prior service cost </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">228</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">228</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">244</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(152</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(152</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(152</td> <td valign="bottom" nowrap="nowrap">) </td> </tr> <tr> <td valign="top"> Amortization of actuarial loss </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">773</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,441</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,312</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">65</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">294</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Benefit cost </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">2,337</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">3,748</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">3,775</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">1,049</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">1,157</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">1,572</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom"> </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> </tr> </table> </div>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 false0Components of Net Periodic Benefit Cost6false 2us-gaap_ScheduleOfAssumptionsUsedTableTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div> Assumptions The Company assesses its benefit plan assumptions on a regular basis. Assumptions used in determining plan information are as follows:   <table style="BORDER-COLLAPSE: collapse" border="0" cellspacing="0" cellpadding="0" width="100%" align="center">  <tr> <td width="76%"></td> <td valign="bottom" width="2%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="2%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="2%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="2%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="2%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="2%"></td> <td></td> <td></td> <td></td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="22" align="center">August 31,</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="10" align="center">Pension Benefits</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="10" align="center">Other Benefits</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">2012</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">2011</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">2010</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">2012</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">2011</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">2010</td> <td valign="bottom"> </td> </tr>  <tr bgcolor="#CCEEFF"> <td valign="top"> Weighted-average assumptions used to calculate net periodic expense: </td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> </tr> <tr> <td valign="top"> Discount rate </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">5.87</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">5.64</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">5.98</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">5.87</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">5.64</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">5.98</td> <td valign="bottom" nowrap="nowrap">% </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Expected return on plan assets </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">8.00</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">8.00</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">8.00</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> </tr> <tr> <td valign="top"> Rate of compensation increase </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">3.00</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">4.00</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">4.00</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Weighted-average assumptions used to calculate benefit obligations at August 31: </td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> </tr> <tr> <td valign="top"> Discount rate </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">4.28</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">5.87</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">5.64</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">4.28</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">5.87</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">5.64</td> <td valign="bottom" nowrap="nowrap">% </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Expected return on plan assets </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">7.00</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">8.00</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">8.00</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> </tr> <tr> <td valign="top"> Rate of compensation increase </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">3.00</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">3.00</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">4.00</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> </tr> </table> </div>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of the assumptions used to determine for pension plans and/or other employee benefit plans the benefit obligation and net benefit cost, including assumed discount rates, rate increase in compensation increase, and expected long-term rates of return on plan assets.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 false0Benefit Plan Assumptions7false 2us-gaap_ScheduleOfHealthCareCostTrendRatesTableTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<table style="BORDER-COLLAPSE: collapse" border="0" cellspacing="0" cellpadding="0" width="84%" align="center">  <tr> <td width="82%"></td> <td valign="bottom" width="4%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="4%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="4%"></td> <td></td> <td></td> <td></td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">2012</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">2011</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">2010</td> <td valign="bottom"> </td> </tr>  <tr bgcolor="#CCEEFF"> <td valign="top"> Assumed health care cost trend rates: </td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"> </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> </tr> <tr> <td valign="top"> Current health care trend assumption </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">8.00</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">8.00</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">8.00</td> <td valign="bottom" nowrap="nowrap">% </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Ultimate health care trend rate </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">4.50</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">4.50</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">4.50</td> <td valign="bottom" nowrap="nowrap">% </td> </tr> <tr> <td valign="top"> Year ultimate health care trend is reached </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2030</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2029</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2028</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> </table>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of the assumed health care cost trend rates for the next year used to measure the expected cost of benefits covered by the plans, including the ultimate trend rate(s) and when that rate is expected to be achieved.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (l) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 false0Assumed Health Care Cost Trend Rates8false 2us-gaap_ScheduleOfEffectOfOnePercentagePointChangeInAssumedHealthCareCostTrendRatesTableTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div> The assumed health care cost trend rate could have a significant effect on the amounts reported. A one-percentage-point change in the assumed health care cost trend rate would have the following effects:   <table style="BORDER-COLLAPSE: collapse" border="0" cellspacing="0" cellpadding="0" width="76%" align="center">  <tr> <td width="72%"></td> <td valign="bottom" width="9%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="9%"></td> <td></td> <td></td> <td></td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" nowrap="nowrap" align="center">1-Percentage- Point Increase</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" nowrap="nowrap" align="center">1-Percentage- Point Decrease</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="6" align="center">(Dollars in thousands)</td> <td valign="bottom"> </td> </tr>  <tr bgcolor="#CCEEFF"> <td valign="top"> Effect on total of service and interest cost components in fiscal 2012 </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">180</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(149</td> <td valign="bottom" nowrap="nowrap">) </td> </tr> <tr> <td valign="top"> Effect on postretirement accumulated benefit obligation as of August 31, 2012 </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">3,115</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">(2,558</td> <td valign="bottom" nowrap="nowrap">) </td> </tr> </table> </div>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of the effect of a one-percentage-point increase and the effect of a one-percentage-point decrease in the assumed health care cost trend rates on the aggregate of the service and interest cost components of net periodic postretirement health care benefit costs and the accumulated postretirement benefit obligation for health care benefits.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (m) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 false0Effect of Changes in Assumed Health Care Cost Trend Rate9false 2us-gaap_ScheduleOfAllocationOfPlanAssetsTableTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div> The weighted average asset allocations of the investment portfolio for the pension plans at August 31 are as follows:   <table style="BORDER-COLLAPSE: collapse" border="0" cellspacing="0" cellpadding="0" width="84%" align="center">  <tr> <td width="79%"></td> <td valign="bottom" width="6%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="6%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="6%"></td> <td></td> <td></td> <td></td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="2" align="center">Target</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="6" align="center">August 31,</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">Allocation</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">2012</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">2011</td> <td valign="bottom"> </td> </tr>  <tr bgcolor="#CCEEFF"> <td valign="top"> U.S. equities </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">55</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">56</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">56</td> <td valign="bottom" nowrap="nowrap">% </td> </tr> <tr> <td valign="top"> International equities </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">15</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">15</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">16</td> <td valign="bottom" nowrap="nowrap">% </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Fixed income investments </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">25</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">24</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">26</td> <td valign="bottom" nowrap="nowrap">% </td> </tr> <tr> <td valign="top"> Real estate </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">5</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">5</td> <td valign="bottom" nowrap="nowrap">% </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2</td> <td valign="bottom" nowrap="nowrap">% </td> </tr> </table> </div>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of the major categories of plan assets of pension plans and/or other employee benefit plans. This information may include, but is not limited to, the target allocation of plan assets, the fair value of each major category of plan assets, and the level within the fair value hierarchy in which the fair value measurements fall.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(5) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 false0Weighted Average Asset Allocations of Investment Portfolio for Pension Plans10false 2penx_ScheduleOfAllocationOfPlanAssetsFairValueHierarchyTableTextBlockpenx_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div> The following table presents the fair value of the pension plan’s assets by major asset category as of August 31, 2012.   <table style="BORDER-COLLAPSE: collapse" border="0" cellspacing="0" cellpadding="0" width="92%" align="center">  <tr> <td width="59%"></td> <td valign="bottom" width="6%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="6%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="6%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="6%"></td> <td></td> <td></td> <td></td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="2" align="center">Quoted Prices</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="2"> </td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="2"> </td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="2"> </td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="2" align="center">In Active</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="2" align="center">Significant</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="2"> </td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="2"> </td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="2" align="center">Markets for</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="2" align="center">Other</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="2" align="center">Significant</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="2"> </td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="2" align="center">Identical</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="2" align="center">Observable</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="2" align="center">Unobservable</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="2"> </td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="2" align="center">Instruments</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="2" align="center">Inputs</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="2" align="center">Inputs</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="2"> </td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">(Level 1)</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">(Level 2)</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">(Level 3)</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">Total</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="14" align="center">(in thousands)</td> <td valign="bottom"> </td> </tr>  <tr bgcolor="#CCEEFF"> <td valign="top"> Common collective trust funds </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right"> </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">39,970</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">39,970</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr> <td valign="top"> Real estate equity funds </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2,102</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2,102</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom">  </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom">  </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom">  </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Fair value of plan assets </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">39,970</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">2,102</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">42,072</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom">  </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom">  </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> <td valign="bottom">  </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> </tr> </table> </div>falsefalsefalsenonnum:textBlockItemTypenaSchedule of allocation of plan assets fair value hierarchy.No definition available.false0Fair Value of Pension Plan's Assets by Major Asset Category11false 2us-gaap_ScheduleofLevelThreeDefinedBenefitPlanAssetsRollForwardTableTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div> The following table summarizes the changes in fair value of the pension plan’s real estate equity fund (Level 3) for fiscal year ended August 31, 2012.   <table style="BORDER-COLLAPSE: collapse" border="0" cellspacing="0" cellpadding="0" width="68%" align="center">  <tr> <td width="83%"></td> <td valign="bottom" width="12%"></td> <td></td> <td></td> <td></td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="2" align="center">Real Estate</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">Equity Fund</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="2" align="center">(in thousands)</td> <td valign="bottom"> </td> </tr>  <tr bgcolor="#CCEEFF"> <td valign="top"> Balance, August 31, 2011 </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">677</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr> <td valign="top"> Actual return on plan assets: </td> <td valign="bottom">  </td> <td valign="bottom"></td> <td valign="bottom"></td> <td valign="bottom"></td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Relating to assets still held at the reporting date </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">75</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr> <td valign="top"> Relating to assets sold during the period </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Purchases and sales </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,350</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr> <td valign="top"> Transfers in (out) of Level 3 </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> Balance, August 31, 2012 </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">2,102</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr style="FONT-SIZE: 1px"> <td valign="bottom"></td> <td valign="bottom">  </td> <td valign="bottom">   </td> <td valign="bottom">   </td> <td> </td> </tr> </table> </div>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of the change in defined benefit plan assets within level 3 of the fair value hierarchy.No definition available.false0Changes in Fair Value of Pension Plan's Real Estate Equity Fund12false 2us-gaap_ScheduleOfExpectedBenefitPaymentsTableTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div> Expected benefit payments are based on the same assumptions used to measure the benefit obligations and include benefits attributable to estimate future employee service.   <table style="BORDER-COLLAPSE: collapse" border="0" cellspacing="0" cellpadding="0" width="76%" align="center">  <tr> <td width="77%"></td> <td valign="bottom" width="9%"></td> <td></td> <td></td> <td></td> <td valign="bottom" width="9%"></td> <td></td> <td></td> <td></td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">Pension</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="BORDER-BOTTOM: #000000 1px solid" valign="bottom" colspan="2" align="center">Other Postretirement</td> <td valign="bottom"> </td> </tr> <tr> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="6" align="center">(Dollars in millions)</td> <td valign="bottom"> </td> </tr>  <tr bgcolor="#CCEEFF"> <td valign="top"> 2013 </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">2.3</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">0.9</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr> <td valign="top"> 2014 </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2.4</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1.0</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> 2015 </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2.5</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1.0</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr> <td valign="top"> 2016 </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2.6</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1.1</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr bgcolor="#CCEEFF"> <td valign="top"> 2017 </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">2.8</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1.2</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> <tr> <td valign="top"> 2018-2022 </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">17.3</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">7.8</td> <td valign="bottom" nowrap="nowrap">  </td> </tr> </table> </div>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 false0Expected Benefit PaymentsfalsePensions and Other Postretirement Benefits (Tables)UnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.penx.com/taxonomy/role/NotesToFinancialStatementsPensionAndOtherPostretirementBenefitsDisclosureTextBlockTables112