Document and Entity Information In Millions	9 Months Ended
	Sep. 30, 2011
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 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	Q3
Entity Filer Category	Accelerated Filer
Class A Common Stock [Member]
Entity Common Stock, Shares Outstanding	28.0
Class B Common Stock [Member]
Entity Common Stock, Shares Outstanding	3.2