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Document and Entity Information
In Millions
6 Months Ended
Jun. 30, 2011
Document Type 10-Q
Amendment Flag false
Document Period End Date Jun. 30, 2011
Entity Registrant Name ALBANY INTERNATIONAL CORP /DE/
Entity Central Index Key 0000819793
Current Fiscal Year End Date --12-31
Document Fiscal Year Focus 2011
Document Fiscal Period Focus Q2
Entity Filer Category Accelerated Filer
Entity Common Stock, Shares Outstanding  
Class A Common Stock [Member]
 
Entity Common Stock, Shares Outstanding 28.0
Class B Common Stock [Member]
 
Entity Common Stock, Shares Outstanding 3.2