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v3.21.2

Accounts Receivable (Narrative) (Details) | 6 Months Ended
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Jun. 30, 2021
Receivables [Abstract] |
Noncurrent receivables invoice, period | 10 years

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- Definition Receivables, Noncurrent Invoice To Customer, Period + References No definition available. + Details
Name: | ain_ReceivablesNoncurrentInvoiceToCustomerPeriod
Namespace Prefix: | ain_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_ReceivablesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration