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Income Taxes (Narrative) (Details) (USD $) | 12 Months Ended
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Dec. 31, 2014 countries | Dec. 31, 2013 | Dec. 31, 2012
Income Tax Disclosure [Line Items] |  |  |
Number of countries in which operations constitute a taxable presence | 19 us-gaap_NumberOfCountriesInWhichEntityOperates |  |
Net decrease in valuation allowance | $ 28,100,000 us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount |  |
Tax rates | 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Net operating loss carryforwards | 250,200,000 us-gaap_OperatingLossCarryforwards |  |
Net operating loss carryforwards, deferred tax asset | 36,300,000 us-gaap_DeferredTaxAssetsOperatingLossCarryforwards |  |
Net operating loss carryforwards, valuation allowance | 17,800,000 us-gaap_OperatingLossCarryforwardsValuationAllowance |  |
Unrepatriated foreign earnings | 3,700,000 us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings |  |
Non-U.S. earnings that have been targeted for future repatriation | 59,400,000 ain_ForeignEarningsExpectedToBeDistributed |  |
Foreign earnings expected to be distributed | 22,200,000 ain_ForeignEarningsToBeDistributed |  |
Income tax expense recorded due to expected repatriation of foreign earnings | 1,500,000 ain_IncomeTaxExpenseBenefitRelatedToRepatriationOfForeignEarnings |  |
Accumulated undistributed earnings intended to remain permanently invested | 334,300,000 us-gaap_UndistributedEarningsOfForeignSubsidiaries |  |
Recognized interest and penalties related to unrecognized tax benefits | 1,000,000 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense | (1,300,000)us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense | (6,400,000)us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense
Interest and penalties related to settlement of audits |  | (1,400,000)us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense | (7,400,000)us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense
Accrued interest and penalties related to unrecognized tax benefits | 400,000 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued | 100,000 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued | 1,400,000 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
Estimated range of change, upper bound | 8,800,000 us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeOfChangeUpperBound |  |
Estimated range of change, lower bound | (2,400,000)us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeOfChangeLowerBound |  |
Taxes paid, net of refunds | 17,600,000 us-gaap_IncomeTaxesPaidNet | 29,400,000 us-gaap_IncomeTaxesPaidNet | 15,100,000 us-gaap_IncomeTaxesPaidNet
Recognized current and deferred tax benefits | 32,000 us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities | 16,721,000 us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities | 13,099,000 us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities
Earliest Tax Year [Member] |  |  |
Income Tax Disclosure [Line Items] |  |  |
Open tax years | 2000 |  |
Latest Tax Year [Member] |  |  |
Income Tax Disclosure [Line Items] |  |  |
Open tax years | 2014 |  |
China [Member] |  |  |
Income Tax Disclosure [Line Items] |  |  |
Tax rates | 25.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate / us-gaap_StatementGeographicalAxis = country_CN |  |
Research [Member] |  |  |
Income Tax Disclosure [Line Items] |  |  |
Tax credit carryforward | 6,600,000 us-gaap_TaxCreditCarryforwardAmount / us-gaap_TaxCreditCarryforwardAxis = us-gaap_ResearchMember |  |
Research [Member] | Earliest Tax Year [Member] |  |  |
Income Tax Disclosure [Line Items] |  |  |
Tax credit carryforwards, expiration date | Jan. 01, 2025 |  |
Alternative Minimum Tax [Member] |  |  |
Income Tax Disclosure [Line Items] |  |  |
Tax credit carryforward | 1,200,000 us-gaap_TaxCreditCarryforwardAmount / us-gaap_TaxCreditCarryforwardAxis = ain_AlternativeMinimumTaxMember |  |
State and Local Jurisdiction [Member] |  |  |
Income Tax Disclosure [Line Items] |  |  |
Net operating loss carryforwards | 22,300,000 us-gaap_OperatingLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |  |
Non-U.S. [Member] |  |  |
Income Tax Disclosure [Line Items] |  |  |
Tax credit carryforward | 17,300,000 us-gaap_TaxCreditCarryforwardAmount / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |  |
Net deferred tax asset | 12,046,000 us-gaap_DeferredTaxAssetsLiabilitiesNet / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember | 16,133,000 us-gaap_DeferredTaxAssetsLiabilitiesNet / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |
Non-U.S. [Member] | Earliest Tax Year [Member] |  |  |
Income Tax Disclosure [Line Items] |  |  |
Tax credit carryforwards, expiration date | Jan. 01, 2019 |  |
German Tax Authority [Member] |  |  |
Income Tax Disclosure [Line Items] |  |  |
Payment to taxing authority to pursue litigation | 14,500,000 ain_IncomeTaxExaminationPaymentForLitigation / us-gaap_IncomeTaxAuthorityAxis = ain_GermanTaxAuthorityMember |  |
Recognized current and deferred tax benefits | 25,300,000 us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities / us-gaap_IncomeTaxAuthorityAxis = ain_GermanTaxAuthorityMember |  |
Taxes and interest along with deferred tax assets adjusted with anticipation of settlement | 6,300,000 us-gaap_IncomeTaxExaminationLiabilityRefundAdjustmentFromSettlementWithTaxingAuthority / us-gaap_IncomeTaxAuthorityAxis = ain_GermanTaxAuthorityMember |  |
Estimated range of change amount | 8,800,000 us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit / us-gaap_IncomeTaxAuthorityAxis = ain_GermanTaxAuthorityMember |  |
Tax Attributes With Limited Lives [Member] |  |  |
Income Tax Disclosure [Line Items] |  |  |
Net deferred tax asset | 25,800,000 us-gaap_DeferredTaxAssetsLiabilitiesNet / ain_IncomeTaxDisclosureAxis = ain_TaxAttributesWithLimitedLivesMember |  |
Recognition of an Uncertain Tax Benefit [Member] |  |  |
Income Tax Disclosure [Line Items] |  |  |
Net decrease in valuation allowance | 12,500,000 us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount / us-gaap_ValuationAllowanceByDeferredTaxAssetAxis = ain_RecognitionOfUncertainTaxBenefitMember |  |
Write-Off of Reserved Deferred Tax Loss [Member] |  |  |
Income Tax Disclosure [Line Items] |  |  |
Net decrease in valuation allowance | $ 9,700,000 us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount / us-gaap_ValuationAllowanceByDeferredTaxAssetAxis = ain_WriteOffOfReservedDeferredTaxLossMember |  |

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