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Quarterly Financial Data (Narrative) (Details) (USD $) | 3 Months Ended
--- | ---
Dec. 31, 2014 owners | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012
Quarterly Financial Data [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Restructuring charges, per share | $ (0.04)ain_EarningsPerShareEffectOfRestructuringCharges | $ (0.02)ain_EarningsPerShareEffectOfRestructuringCharges | $ (0.04)ain_EarningsPerShareEffectOfRestructuringCharges | $ (0.02)ain_EarningsPerShareEffectOfRestructuringCharges | $ (0.03)ain_EarningsPerShareEffectOfRestructuringCharges | $ (0.04)ain_EarningsPerShareEffectOfRestructuringCharges | $ (0.47)ain_EarningsPerShareEffectOfRestructuringCharges | $ (0.01)ain_EarningsPerShareEffectOfRestructuringCharges | $ (0.01)ain_EarningsPerShareEffectOfRestructuringCharges | $ (0.07)ain_EarningsPerShareEffectOfRestructuringCharges | $ (0.06)ain_EarningsPerShareEffectOfRestructuringCharges | $ (0.02)ain_EarningsPerShareEffectOfRestructuringCharges
Gain on sale of assets, per share |  |  |  |  |  |  |  | $ 0.08 ain_EarningsPerShareEffectOfSalesOfAssets |  |  |  |
Pension plan settlement, per share | $ (0.16)ain_EarningsPerShareEffectOfPensionPlanSettlement |  |  |  |  |  |  |  |  |  | $ (2.34)ain_EarningsPerShareEffectOfPensionPlanSettlement | $ (0.22)ain_EarningsPerShareEffectOfPensionPlanSettlement
Tax settlement, per share |  |  |  |  |  |  |  |  |  |  |  | $ 0.22 ain_EarningsPerShareEffectOfTaxSettlement
Gain related to insurance recovery, per share |  | $ 0.01 ain_EarningsPerShareEffectOfGainRelatedToInsuranceRecovery | $ 0.03 ain_EarningsPerShareEffectOfGainRelatedToInsuranceRecovery |  |  |  |  |  |  |  |  |
Number of beneficial owners, including employees owning shares through the Company's 401(k) | 7,000 ain_NumberOfBeneficialOwners |  |  |  |  |  |  |  |  |  |  |

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- Definition Represents the amount of gain related to the insurance recovery due to damage to a Machine Clothing manufacturing facility. + References No definition available. + Details
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- Definition Earnings Per Share, Effect Of Pension Plan Settlement. + References No definition available. + Details
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- Definition Earnings Per Share, Effect Of Restructuring Charges. + References No definition available. + Details
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- Definition Earnings Per Share, Effect Of Sales Of Assets. + References No definition available. + Details
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- Definition Earnings Per Share, Effect Of Tax Settlement. + References No definition available. + Details
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- Definition Number Of Beneficial Owners. + References No definition available. + Details
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- Details
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