1.0.0.3 true Statement Of Shareholders Equity And Other Comprehensive Income (USD $) In Thousands, except Share data false 1 $ true false false false Shares outstanding us-gaap_StatementEquityComponentsAxis xbrldi http://xbrl.org/2006/xbrldi aye_CommonStockSharesMember us-gaap_StatementEquityComponentsAxis explicitMember Shares Standard http://www.xbrl.org/2003/instance shares 0 false 2 $ true false false false Common stock us-gaap_StatementEquityComponentsAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_CommonStockMember us-gaap_StatementEquityComponentsAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 false 3 $ true false false false Other paid-in capital us-gaap_StatementEquityComponentsAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_AdditionalPaidInCapitalMember us-gaap_StatementEquityComponentsAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 false 4 $ true false false false Retained earnings us-gaap_StatementEquityComponentsAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_RetainedEarningsMember us-gaap_StatementEquityComponentsAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 false 5 $ true false false false Treasury stock us-gaap_StatementEquityComponentsAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_TreasuryStockMember us-gaap_StatementEquityComponentsAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 false 6 $ true false false false Accumulated other comprehensive loss us-gaap_StatementEquityComponentsAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_AccumulatedOtherComprehensiveIncomeMember us-gaap_StatementEquityComponentsAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 false 7 $ true false false false Energy, Inc. common stockholders' equity us-gaap_StatementEquityComponentsAxis xbrldi http://xbrl.org/2006/xbrldi aye_ParentMember us-gaap_StatementEquityComponentsAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 false 8 $ true false false false Energy, Inc. common Noncontrolling interest us-gaap_StatementEquityComponentsAxis xbrldi http://xbrl.org/2006/xbrldi aye_NoncontrollingInterestMember us-gaap_StatementEquityComponentsAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 false 9 $ false false Shares Standard http://www.xbrl.org/2003/instance shares 0 USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDperShareItemType Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares 0 6 Beginning Balance at Dec. 31, 2007 3 aye_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest aye false credit instant monetary No definition available. false false false true false false true false false 1 false false 0 0 true false 2 true true 209091000 209091 true false 3 true true 1924072000 1924072 true false 4 true true 444177000 444177 true false 5 true true -1756000 -1756 true false 6 true true -40232000 -40232 true false 7 true true 2535352000 2535352 true false 8 true true 13241000 13241 true false 9 true true 2548593000 2548593 false false No definition available. No authoritative reference available. false 5 Beginning Balance at Dec. 31, 2007 3 aye_SharesOutstanding aye false na instant shares No definition available. false false false true false false true false false 1 false true 167223576 167223576.00 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false false 0 0 true false 9 false false 0 0 false false No definition available. No authoritative reference available. false 7 Net income 3 aye_ProfitLoss aye false credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false true 290251000 290251 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true 290251000 290251 true false 8 false true 551000 551 true false 9 false true 290802000 290802 false false No definition available. No authoritative reference available. false 8 Defined benefit pension and other benefit plan amortization, net of tax of $555 in 3 months ended June 30th ,2009, $1,126 in 6 months ended June 30th, 2009, $287 in 3 months ended June 30th, 2008 and $621 in 6 months ended June 30th, 2008 3 us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease us-gaap true na duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false true 702000 702 true false 7 false true 702000 702 true false 8 false false 0 0 true false 9 false true 702000 702 false false No definition available. No authoritative reference available. false 9 Cash flow hedges, net of tax of $8,462 in 3 months ended June 30th, 2009, $4,868 in 6 months ended June 30th, 2009, $19,785 in 3 months ended June 30th, 2008 and $44,171 6 months ended June 30th 2008 3 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease us-gaap true na duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false true -69917000 -69917 true false 7 false true -69917000 -69917 true false 8 false false 0 0 true false 9 false true -69917000 -69917 false false No definition available. No authoritative reference available. false 10 Unrealized losses on available-for-sale securities, net of tax of $1 in 3 months ended June 30th, 2008 and $1 in 6 months ended June 30th, 2008 3 us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false true -1000 -1 true false 7 false true -1000 -1 true false 8 false false 0 0 true false 9 false true -1000 -1 false false No definition available. No authoritative reference available. false 12 Purchase of minority interest in AE Supply 3 us-gaap_MinorityInterestDecreaseFromRedemptions us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false true -13238000 -13238 true false 9 false true -13238000 -13238 false false No definition available. No authoritative reference available. false 13 Equity contribution to PATH, LLC by the joint venture partner 3 aye_ContributionsFromNoncontrollingInterests aye false credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false true 4460000 4460 true false 9 false true 4460000 4460 false false No definition available. No authoritative reference available. false 14 Dividends on common stock 3 us-gaap_DividendsCommonStock us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false true -50413000 -50413 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true -50413000 -50413 true false 8 false false 0 0 true false 9 false true -50413000 -50413 false false No definition available. No authoritative reference available. false 15 Stock-based compensation expense: 3 us-gaap_ShareBasedCompensationAbstract us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false false 0 0 true false 9 false false 0 0 false false No definition available. false 16 Stock units 4 us-gaap_StockIssuedDuringPeriodValueNewIssues us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false true 609000 609 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true 609000 609 true false 8 false false 0 0 true false 9 false true 609000 609 false false No definition available. No authoritative reference available. false 17 Non-employee director stock awards 4 aye_StockIssuedDuringPeriodSharesDirectorStockAward aye false na duration shares No definition available. false false false false false false false false false 1 false true 17465 17465.00 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false false 0 0 true false 9 false false 0 0 false false No definition available. No authoritative reference available. false 18 Non-employee director stock awards 4 aye_StockIssuedDuringPeriodValueDirectorStockAward aye false credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false true 22000 22 true false 3 false true 534000 534 true false 4 false true -16000 -16 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true 540000 540 true false 8 false false 0 0 true false 9 false true 540000 540 false false No definition available. No authoritative reference available. false 19 Stock options 4 aye_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue aye false credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false true 4809000 4809 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true 4809000 4809 true false 8 false false 0 0 true false 9 false true 4809000 4809 false false No definition available. No authoritative reference available. false 20 Performance shares 4 aye_NonVestedStockUnitAndPerformanceBasedAwardCompensation aye false credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false true 392000 392 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true 392000 392 true false 8 false false 0 0 true false 9 false true 392000 392 false false No definition available. No authoritative reference available. false 23 Exercise of stock options 3 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised us-gaap true na duration shares No definition available. false false false false false false false false false 1 false true 1219130 1219130.00 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false false 0 0 true false 9 false false 0 0 false false No definition available. No authoritative reference available. false 24 Exercise of stock options 3 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false true 1524000 1524 true false 3 false true 15224000 15224 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true 16748000 16748 true false 8 false false 0 0 true false 9 false true 16748000 16748 false false No definition available. No authoritative reference available. false 25 Settlement of stock units 3 aye_StockIssuedDuringPeriodSharesStockUnits aye false na duration shares No definition available. false false false false false false false false false 1 false true 249082 249082.00 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false false 0 0 true false 9 false false 0 0 false false No definition available. No authoritative reference available. false 26 Settlement of stock units 3 aye_StockIssuedDuringPeriodStockUnits aye false credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false true 311000 311 true false 3 false true -8003000 -8003 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true -7692000 -7692 true false 8 false false 0 0 true false 9 false true -7692000 -7692 false false No definition available. No authoritative reference available. false 27 Dividends on stock units 3 us-gaap_CashDividends us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false true 74000 74 true false 4 false true -74000 -74 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false false 0 0 true false 9 false true 0 0 false false No definition available. No authoritative reference available. false 30 Ending Balance at Jun. 30, 2008 3 aye_SharesOutstanding aye false na instant shares No definition available. false false false true false false false true false 1 false true 168709253 168709253.00 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false false 0 0 true false 9 false false 0 0 false false No definition available. No authoritative reference available. false 31 Ending Balance at Jun. 30, 2008 3 aye_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest aye false credit instant monetary No definition available. false false false true false false false true false 1 false false 0 0 true false 2 false true 210948000 210948 true false 3 false true 1937711000 1937711 true false 4 false true 683925000 683925 true false 5 false true -1756000 -1756 true false 6 false true -109448000 -109448 true false 7 false true 2721380000 2721380 true false 8 false true 5014000 5014 true false 9 false true 2726394000 2726394 false false No definition available. No authoritative reference available. false 6 Beginning Balance at Mar. 31, 2008 3 aye_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest aye false credit instant monetary No definition available. false false false true false false true false false 1 false false 0 0 true false 2 false true 209870000 209870 true false 3 false true 1934346000 1934346 true false 4 false true 555065000 555065 true false 5 false true -1756000 -1756 true false 6 false true -78748000 -78748 true false 7 false true 2618777000 2618777 true false 8 false true 3279000 3279 true false 9 false true 2622056000 2622056 false false No definition available. No authoritative reference available. false 5 Beginning Balance at Mar. 31, 2008 3 aye_SharesOutstanding aye false na instant shares No definition available. false false false true false false true false false 1 false true 167846799 167846799.00 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false false 0 0 true false 9 false false 0 0 false false No definition available. No authoritative reference available. false 7 Net income 3 aye_ProfitLoss aye false credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false true 154126000 154126 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true 154126000 154126 true false 8 false true 345000 345 true false 9 false true 154471000 154471 false false No definition available. No authoritative reference available. false 8 Defined benefit pension and other benefit plan amortization, net of tax of $555 in 3 months ended June 30th ,2009, $1,126 in 6 months ended June 30th, 2009, $287 in 3 months ended June 30th, 2008 and $621 in 6 months ended June 30th, 2008 3 us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease us-gaap true na duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false true 375000 375 true false 7 false true 375000 375 true false 8 false false 0 0 true false 9 false true 375000 375 false false No definition available. No authoritative reference available. false 9 Cash flow hedges, net of tax of $8,462 in 3 months ended June 30th, 2009, $4,868 in 6 months ended June 30th, 2009, $19,785 in 3 months ended June 30th, 2008 and $44,171 6 months ended June 30th 2008 3 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease us-gaap true na duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false true -31075000 -31075 true false 7 false true -31075000 -31075 true false 8 false false 0 0 true false 9 false true -31075000 -31075 false false No definition available. No authoritative reference available. false 10 Unrealized losses on available-for-sale securities, net of tax of $1 in 3 months ended June 30th, 2008 and $1 in 6 months ended June 30th, 2008 3 us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false true -1000 -1 true false 7 false true -1000 -1 true false 8 false false 0 0 true false 9 false true -1000 -1 false false No definition available. No authoritative reference available. false 13 Equity contribution to PATH, LLC by the joint venture partner 3 aye_ContributionsFromNoncontrollingInterests aye false credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false true 1390000 1390 true false 9 false true 1390000 1390 false false No definition available. No authoritative reference available. false 14 Dividends on common stock 3 us-gaap_DividendsCommonStock us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false true -25252000 -25252 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true -25252000 -25252 true false 8 false false 0 0 true false 9 false true -25252000 -25252 false false No definition available. No authoritative reference available. false 15 Stock-based compensation expense: 3 us-gaap_ShareBasedCompensationAbstract us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false false 0 0 true false 9 false false 0 0 false false No definition available. false 16 Stock units 4 us-gaap_StockIssuedDuringPeriodValueNewIssues us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false true 267000 267 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true 267000 267 true false 8 false false 0 0 true false 9 false true 267000 267 false false No definition available. No authoritative reference available. false 17 Non-employee director stock awards 4 aye_StockIssuedDuringPeriodSharesDirectorStockAward aye false na duration shares No definition available. false false false false false false false false false 1 false true 1198 1198.00 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false false 0 0 true false 9 false false 0 0 false false No definition available. No authoritative reference available. false 18 Non-employee director stock awards 4 aye_StockIssuedDuringPeriodValueDirectorStockAward aye false credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false true 2000 2 true false 3 false true 277000 277 true false 4 false true -8000 -8 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true 271000 271 true false 8 false false 0 0 true false 9 false true 271000 271 false false No definition available. No authoritative reference available. false 19 Stock options 4 aye_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue aye false credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false true 2699000 2699 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true 2699000 2699 true false 8 false false 0 0 true false 9 false true 2699000 2699 false false No definition available. No authoritative reference available. false 20 Performance shares 4 aye_NonVestedStockUnitAndPerformanceBasedAwardCompensation aye false credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false true 392000 392 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true 392000 392 true false 8 false false 0 0 true false 9 false true 392000 392 false false No definition available. No authoritative reference available. false 23 Exercise of stock options 3 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised us-gaap true na duration shares No definition available. false false false false false false false false false 1 false true 612228 612228.00 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false false 0 0 true false 9 false false 0 0 false false No definition available. No authoritative reference available. false 24 Exercise of stock options 3 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false true 765000 765 true false 3 false true 7727000 7727 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true 8492000 8492 true false 8 false false 0 0 true false 9 false true 8492000 8492 false false No definition available. No authoritative reference available. false 25 Settlement of stock units 3 aye_StockIssuedDuringPeriodSharesStockUnits aye false na duration shares No definition available. false false false false false false false false false 1 false true 249028 249028.00 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false false 0 0 true false 9 false false 0 0 false false No definition available. No authoritative reference available. false 26 Settlement of stock units 3 aye_StockIssuedDuringPeriodStockUnits aye false credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false true 311000 311 true false 3 false true -8003000 -8003 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true -7692000 -7692 true false 8 false false 0 0 true false 9 false true -7692000 -7692 false false No definition available. No authoritative reference available. false 27 Dividends on stock units 3 us-gaap_CashDividends us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false true 6000 6 true false 4 false true -6000 -6 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false false 0 0 true false 9 false true 0 0 false false No definition available. No authoritative reference available. false 29 Other 3 aye_OtherChangesDuringPeriodValue aye false credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false true 1000 1 true false 7 false true 1000 1 true false 8 false false 0 0 true false 9 false true 1000 1 false false No definition available. No authoritative reference available. false 31 Ending Balance at Jun. 30, 2008 3 aye_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest aye false credit instant monetary No definition available. false false false true false false false true false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false true -1756000 -1756 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false false 0 0 true false 9 false false 0 0 false false No definition available. No authoritative reference available. false 6 Beginning Balance at Dec. 31, 2008 3 aye_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest aye false credit instant monetary No definition available. false false false true false false true false false 1 false false 0 0 true false 2 false true 211767000 211767 true false 3 false true 1952440000 1952440 true false 4 false true 731615000 731615 true false 5 false true -1756000 -1756 true false 6 false true -43318000 -43318 true false 7 false true 2850748000 2850748 true false 8 false true 4906000 4906 true false 9 false true 2855654000 2855654 false false No definition available. No authoritative reference available. false 5 Beginning Balance at Dec. 31, 2008 3 aye_SharesOutstanding aye false na instant shares No definition available. false false false true false false true false false 1 false true 169364394 169364394.00 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false false 0 0 true false 9 false false 0 0 false false No definition available. No authoritative reference available. false 7 Net income 3 aye_ProfitLoss aye false credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false true 206533000 206533 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true 206533000 206533 true false 8 false true 428000 428 true false 9 false true 206961000 206961 false false No definition available. No authoritative reference available. false 8 Defined benefit pension and other benefit plan amortization, net of tax of $555 in 3 months ended June 30th ,2009, $1,126 in 6 months ended June 30th, 2009, $287 in 3 months ended June 30th, 2008 and $621 in 6 months ended June 30th, 2008 3 us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease us-gaap true na duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false true 1702000 1702 true false 7 false true 1702000 1702 true false 8 false false 0 0 true false 9 false true 1702000 1702 false false No definition available. No authoritative reference available. false 9 Cash flow hedges, net of tax of $8,462 in 3 months ended June 30th, 2009, $4,868 in 6 months ended June 30th, 2009, $19,785 in 3 months ended June 30th, 2008 and $44,171 6 months ended June 30th 2008 3 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease us-gaap true na duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false true 8006000 8006 true false 7 false true 8006000 8006 true false 8 false false 0 0 true false 9 false true 8006000 8006 false false No definition available. No authoritative reference available. false 11 Distribution on behalf of noncontrolling interest 3 us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false true -249000 -249 true false 9 false true -249000 -249 false false No definition available. No authoritative reference available. false 13 Equity contribution to PATH, LLC by the joint venture partner 3 aye_ContributionsFromNoncontrollingInterests aye false credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false true 470000 470 true false 9 false true 470000 470 false false No definition available. No authoritative reference available. false 14 Dividends on common stock 3 us-gaap_DividendsCommonStock us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false true -50830000 -50830 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true -50830000 -50830 true false 8 false false 0 0 true false 9 false true -50830000 -50830 false false No definition available. No authoritative reference available. false 15 Stock-based compensation expense: 3 us-gaap_ShareBasedCompensationAbstract us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false false 0 0 true false 9 false false 0 0 false false No definition available. false 16 Stock units 4 us-gaap_StockIssuedDuringPeriodValueNewIssues us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false true 8000 8 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true 8000 8 true false 8 false false 0 0 true false 9 false true 8000 8 false false No definition available. No authoritative reference available. false 17 Non-employee director stock awards 4 aye_StockIssuedDuringPeriodSharesDirectorStockAward aye false na duration shares No definition available. false false false false false false false false false 1 false true 15907 15907.00 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false false 0 0 true false 9 false false 0 0 false false No definition available. No authoritative reference available. false 18 Non-employee director stock awards 4 aye_StockIssuedDuringPeriodValueDirectorStockAward aye false credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false true 20000 20 true false 3 false true 438000 438 true false 4 false true -18000 -18 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true 440000 440 true false 8 false false 0 0 true false 9 false true 440000 440 false false No definition available. No authoritative reference available. false 19 Stock options 4 aye_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue aye false credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false true 3979000 3979 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true 3979000 3979 true false 8 false false 0 0 true false 9 false true 3979000 3979 false false No definition available. No authoritative reference available. false 20 Performance shares 4 aye_NonVestedStockUnitAndPerformanceBasedAwardCompensation aye false credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false true 4110000 4110 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true 4110000 4110 true false 8 false false 0 0 true false 9 false true 4110000 4110 false false No definition available. No authoritative reference available. false 21 Restricted shares 4 us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross us-gaap true na duration shares No definition available. false false false false false false false false false 1 false true 17850 17850.00 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false false 0 0 true false 9 false false 0 0 false false No definition available. No authoritative reference available. false 22 Restricted shares 4 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false true 47000 47 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true 47000 47 true false 8 false false 0 0 true false 9 false true 47000 47 false false No definition available. No authoritative reference available. false 23 Exercise of stock options 3 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised us-gaap true na duration shares No definition available. false false false false false false false false false 1 false true 84440 84440.00 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false false 0 0 true false 9 false false 0 0 false false No definition available. No authoritative reference available. false 24 Exercise of stock options 3 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false true 106000 106 true false 3 false true 1119000 1119 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true 1225000 1225 true false 8 false false 0 0 true false 9 false true 1225000 1225 false false No definition available. No authoritative reference available. false 27 Dividends on stock units 3 us-gaap_CashDividends us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false true 2000 2 true false 4 false true -2000 -2 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false false 0 0 true false 9 false true 0 0 false false No definition available. No authoritative reference available. false 28 Share-based excess tax benefits 3 us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false true 19732000 19732 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true 19732000 19732 true false 8 false false 0 0 true false 9 false true 19732000 19732 false false No definition available. No authoritative reference available. false 30 Ending Balance at Jun. 30, 2009 3 aye_SharesOutstanding aye false na instant shares No definition available. false false false true false false false true false 1 false true 169482591 169482591.00 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false false 0 0 true false 9 false false 0 0 false false No definition available. No authoritative reference available. false 31 Ending Balance at Jun. 30, 2009 3 aye_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest aye false credit instant monetary No definition available. false false false true false false false true false 1 false false 0 0 true false 2 false true 211893000 211893 true false 3 false true 1981875000 1981875 true false 4 false true 887298000 887298 true false 5 false true -1756000 -1756 true false 6 false true -33610000 -33610 true false 7 false true 3045700000 3045700 true false 8 false true 5555000 5555 true false 9 false true 3051255000 3051255 false false No definition available. No authoritative reference available. false 6 Beginning Balance at Mar. 31, 2009 3 aye_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest aye false credit instant monetary No definition available. false false false true false false true false false 1 false false 0 0 true false 2 false true 211788000 211788 true false 3 false true 1975996000 1975996 true false 4 false true 840122000 840122 true false 5 false true -1756000 -1756 true false 6 false true -21424000 -21424 true false 7 false true 3004726000 3004726 true false 8 false true 5078000 5078 true false 9 false true 3009804000 3009804 false false No definition available. No authoritative reference available. false 5 Beginning Balance at Mar. 31, 2009 3 aye_SharesOutstanding aye false na instant shares No definition available. false false false true false false true false false 1 false true 169399045 169399045.00 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false false 0 0 true false 9 false false 0 0 false false No definition available. No authoritative reference available. false 7 Net income 3 aye_ProfitLoss aye false credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false true 72608000 72608 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true 72608000 72608 true false 8 false true 255000 255 true false 9 false true 72863000 72863 false false No definition available. No authoritative reference available. false 8 Defined benefit pension and other benefit plan amortization, net of tax of $555 in 3 months ended June 30th ,2009, $1,126 in 6 months ended June 30th, 2009, $287 in 3 months ended June 30th, 2008 and $621 in 6 months ended June 30th, 2008 3 us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease us-gaap true na duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false true 860000 860 true false 7 false true 860000 860 true false 8 false false 0 0 true false 9 false true 860000 860 false false No definition available. No authoritative reference available. false 9 Cash flow hedges, net of tax of $8,462 in 3 months ended June 30th, 2009, $4,868 in 6 months ended June 30th, 2009, $19,785 in 3 months ended June 30th, 2008 and $44,171 6 months ended June 30th 2008 3 us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease us-gaap true na duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false true -13046000 -13046 true false 7 false true -13046000 -13046 true false 8 false false 0 0 true false 9 false true -13046000 -13046 false false No definition available. No authoritative reference available. false 11 Distribution on behalf of noncontrolling interest 3 us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false true -249000 -249 true false 9 false true -249000 -249 false false No definition available. No authoritative reference available. false 13 Equity contribution to PATH, LLC by the joint venture partner 3 aye_ContributionsFromNoncontrollingInterests aye false credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false true 470000 470 true false 9 false true 470000 470 false false No definition available. No authoritative reference available. false 14 Dividends on common stock 3 us-gaap_DividendsCommonStock us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false true -25421000 -25421 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true -25421000 -25421 true false 8 false false 0 0 true false 9 false true -25421000 -25421 false false No definition available. No authoritative reference available. false 15 Stock-based compensation expense: 3 us-gaap_ShareBasedCompensationAbstract us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false false 0 0 true false 9 false false 0 0 false false No definition available. false 16 Stock units 4 us-gaap_StockIssuedDuringPeriodValueNewIssues us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false true 4000 4 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true 4000 4 true false 8 false false 0 0 true false 9 false true 4000 4 false false No definition available. No authoritative reference available. false 17 Non-employee director stock awards 4 aye_StockIssuedDuringPeriodSharesDirectorStockAward aye false na duration shares No definition available. false false false false false false false false false 1 false true 2706 2706.00 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false false 0 0 true false 9 false false 0 0 false false No definition available. No authoritative reference available. false 18 Non-employee director stock awards 4 aye_StockIssuedDuringPeriodValueDirectorStockAward aye false credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false true 3000 3 true false 3 false true 237000 237 true false 4 false true -9000 -9 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true 231000 231 true false 8 false false 0 0 true false 9 false true 231000 231 false false No definition available. No authoritative reference available. false 19 Stock options 4 aye_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue aye false credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false true 2274000 2274 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true 2274000 2274 true false 8 false false 0 0 true false 9 false true 2274000 2274 false false No definition available. No authoritative reference available. false 20 Performance shares 4 aye_NonVestedStockUnitAndPerformanceBasedAwardCompensation aye false credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false true 2486000 2486 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true 2486000 2486 true false 8 false false 0 0 true false 9 false true 2486000 2486 false false No definition available. No authoritative reference available. false 22 Restricted shares 4 us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false true 35000 35 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true 35000 35 true false 8 false false 0 0 true false 9 false true 35000 35 false false No definition available. No authoritative reference available. false 23 Exercise of stock options 3 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised us-gaap true na duration shares No definition available. false false false false false false false false false 1 false true 80840 80840.00 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false false 0 0 true false 9 false false 0 0 false false No definition available. No authoritative reference available. false 24 Exercise of stock options 3 us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised us-gaap true credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false true 102000 102 true false 3 false true 1075000 1075 true false 4 false false 0 0 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true 1177000 1177 true false 8 false false 0 0 true false 9 false true 1177000 1177 false false No definition available. No authoritative reference available. false 27 Dividends on stock units 3 us-gaap_CashDividends us-gaap true debit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false true 1000 1 true false 4 false true -1000 -1 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false false 0 0 true false 9 false true 0 0 false false No definition available. No authoritative reference available. false 29 Other 3 aye_OtherChangesDuringPeriodValue aye false credit duration monetary No definition available. false false false false false false false false false 1 false false 0 0 true false 2 false false 0 0 true false 3 false true -233000 -233 true false 4 false true -1000 -1 true false 5 false false 0 0 true false 6 false false 0 0 true false 7 false true -234000 -234 true false 8 false true 1000 1 true false 9 false true -233000 -233 false false No definition available. No authoritative reference available. false 31 Ending Balance at Jun. 30, 2009 3 aye_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest aye false credit instant monetary No definition available. false false false true false false false true false 1 false false 0 0 true false 2 false false 0 0 true false 3 false false 0 0 true false 4 false false 0 0 true false 5 true true -1756000 -1756 true false 6 false false 0 0 true false 7 false false 0 0 true false 8 false false 0 0 true false 9 false false 0 0 false false No definition available. No authoritative reference available. false false 9 85 false Thousands NoRounding UnKnown false true