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Contract Assets and Liabilities (Schedule of (Increases)/ Decreases in Allowance for Credit Losses) (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 USD ($)
Contract with Customer, Asset, Allowance for Credit Loss [Roll Forward] |
Beginning balance | $ 0
Charges | (657)
Currency translation | (5)
Other | 6
Ending balance | (1,059)
Cumulative Effect, Period of Adoption, Adjustment |
Contract with Customer, Asset, Allowance for Credit Loss [Roll Forward] |
Beginning balance | $ (403)

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- Definition Contract With Customer, Asset, Accumulated Allowance For Credit Loss Current Currency Translation + References No definition available. + Details
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Namespace Prefix: | ain_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Contract With Customer, Asset, Accumulated Allowance For Credit Loss, Current Other + References No definition available. + Details
Name: | ain_ContractWithCustomerAssetAccumulatedAllowanceForCreditLossCurrentOther
Namespace Prefix: | ain_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Contract With Customer, Asset, Charges + References No definition available. + Details
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Namespace Prefix: | ain_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Amount of allowance for credit loss for right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121599878&loc=SL82895884-210446 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130533-203044 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |