2.2.0.25falsefalse0516 - Disclosure - Derivatives and Hedging Activities (Tables)truefalsefalse1falsefalseUSDfalsefalse1/1/2010 - 12/31/2010 USD ($) USD ($) / shares $Jan-01-2010_Dec-31-2010http://www.sec.gov/CIK0000042542duration2010-01-01T00:00:002010-12-31T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170SharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0PureStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDEPSDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2true0gr_DerivativesAndHedgingActivitiesTablesAbstractgrfalsenadurationDerivatives And Hedging Activities.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringDerivatives And Hedging Activities.falsefalseDerivatives and Hedging Activities (Tables) [Abstract]3false0gr_FairValueOfForwardContractRecordedInBalanceSheetTextBlockgrfalsenadurationFair Value Of Forward Contract Recorded In Balance Sheet.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<!--DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" --> <!-- Begin Block Tagged Note Table: gr-20101231_note16_table1 - gr:FairValueOfForwardContractRecordedInBalanceSheetTextBlock--> <div align="left" style="font-size: 10pt; 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</td> <td> &#160; </td> <td colspan="6" align="center" valign="bottom" style="border-bottom: 1px solid #000000"> <b>December&#160;31,</b> </td> <td> &#160; </td> </tr> <tr style="font-size: 8pt" valign="bottom" align="center"> <td nowrap="nowrap" align="center" valign="bottom"> &#160; </td> <td> &#160; </td> <td colspan="2" nowrap="nowrap" align="center" valign="bottom" style="border-bottom: 1px solid #000000"> <b>2010</b> </td> <td> &#160; </td> <td> &#160; </td> <td colspan="2" nowrap="nowrap" align="center" valign="bottom" style="border-bottom: 1px solid #000000"> <b>2009</b> </td> <td> &#160; </td> </tr> <tr style="font-size: 8pt" valign="bottom" align="center"> <td nowrap="nowrap" align="center" valign="bottom"> &#160; </td> <td> &#160; </td> <td colspan="6" align="center" valign="bottom"> <b>(Dollars in millions)</b> </td> <td> &#160; </td> </tr> <tr style="line-height: 3pt; font-size: 1pt"> <td>&#160; </td> </tr> <!-- TableOutputBody --> <tr valign="bottom" style="background: #cceeff"> <td align="left" valign="bottom"> <div style="text-indent: -10pt; margin-left: 10pt"> Prepaid expenses and other assets </div> </td> <td> &#160; </td> <td nowrap="nowrap" align="left" valign="bottom"> $ </td> <td nowrap="nowrap" align="right" valign="bottom"> 20.3 </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> <td> &#160; </td> <td nowrap="nowrap" align="left" valign="bottom"> $ </td> <td nowrap="nowrap" align="right" valign="bottom"> 25.5 </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> </tr> <tr valign="bottom"> <td nowrap="nowrap" align="left" valign="bottom"> <div style="text-indent: -10pt; margin-left: 10pt"> Other assets </div> </td> <td> &#160; </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> <td nowrap="nowrap" align="right" valign="bottom"> 44.6 </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> <td> &#160; </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> <td nowrap="nowrap" align="right" valign="bottom"> 70.9 </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> </tr> <tr valign="bottom" style="background: #cceeff"> <td nowrap="nowrap" align="left" valign="bottom"> <div style="text-indent: -10pt; margin-left: 10pt"> Accrued expenses </div> </td> <td> &#160; </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> <td nowrap="nowrap" align="right" valign="bottom"> 22.7 </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> <td> &#160; </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> <td nowrap="nowrap" align="right" valign="bottom"> 22.6 </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> </tr> <tr valign="bottom"> <td align="left" valign="bottom"> <div style="text-indent: -10pt; margin-left: 10pt"> Other non-current liabilities </div> </td> <td> &#160; </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> <td nowrap="nowrap" align="right" valign="bottom"> 11.6 </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> <td> &#160; </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> <td nowrap="nowrap" align="right" valign="bottom"> 17.0 </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> </tr> </table> <div align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: Arial, Helvetica; color: #000000; background: transparent"> </div> </div> <!--DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" --> <!-- Begin Block Tagged NotefalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringFair Value Of Forward Contract Recorded In Balance Sheet.No authoritative reference available.falsefalseFair value of forward contract recorded in balance sheet4false0gr_AmountsRecognizedInOtherComprehensiveIncomeAndReclassifiedFromAociIntoEarningsTextBlockgrfalsenadurationAmounts Recognized In Other Comprehensive Income And Reclassified From Aoci Into Earnings.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<!--DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" --> <!-- Begin Block Tagged Note Table: gr-20101231_note16_table2 - gr:AmountsRecognizedInOtherComprehensiveIncomeAndReclassifiedFromAociIntoEarningsTextBlock--> <div align="left" style="font-size: 10pt; 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</td> <td> &#160; </td> <td colspan="11" align="center" valign="bottom" style="border-bottom: 1px solid #000000"> <b>Year Ended December&#160;31,</b> </td> </tr> <tr style="font-size: 8pt" valign="bottom" align="center"> <td nowrap="nowrap" align="center" valign="bottom"> &#160; </td> <td> &#160; </td> <td colspan="3" nowrap="nowrap" align="center" valign="bottom" style="border-bottom: 1px solid #000000"> <b>2010</b> </td> <td> &#160; </td> <td colspan="3" nowrap="nowrap" align="center" valign="bottom" style="border-bottom: 1px solid #000000"> <b>2009</b> </td> <td> &#160; </td> <td colspan="3" nowrap="nowrap" align="center" valign="bottom" style="border-bottom: 1px solid #000000"> <b>2008</b> </td> </tr> <tr style="font-size: 8pt" valign="bottom" align="center"> <td nowrap="nowrap" align="center" valign="bottom"> &#160; </td> <td> &#160; </td> <td colspan="11" align="center" valign="bottom"> <b>(Dollars in millions)</b> </td> </tr> <tr style="line-height: 3pt; font-size: 1pt"> <td>&#160; </td> </tr> <!-- TableOutputBody --> <tr valign="bottom"> <td align="left" valign="bottom"> <div style="text-indent: -10pt; margin-left: 10pt"> Amount of gain/(loss) recognized in OCI, net of tax for 2010, 2009 and 2008 of $6, $(76.4) and $119.2, respectively </div> </td> <td> &#160; </td> <td nowrap="nowrap" align="right" valign="bottom"> $ </td> <td nowrap="nowrap" align="right" valign="bottom"> (8.5 </td> <td nowrap="nowrap" align="left" valign="bottom"> ) </td> <td> &#160; </td> <td nowrap="nowrap" align="right" valign="bottom"> $ </td> <td nowrap="nowrap" align="right" valign="bottom"> 148.5 </td> <td nowrap="nowrap" align="left" valign="bottom"> &#160; </td> <td> &#160; </td> <td nowrap="nowrap" align="right" valign="bottom"> $ </td> <td nowrap="nowrap" align="right" valign="bottom"> (221.8 </td> <td nowrap="nowrap" align="left" valign="bottom"> ) </td> </tr> <tr valign="bottom"> <td align="left" valign="bottom"> <div style="text-indent: -10pt; margin-left: 10pt"> Amount of gain/(loss) reclassified from AOCI into earnings </div> </td> <td> &#160; 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