Document And Entity Information (USD $)	9 Months Ended
	Sep. 30, 2012	Nov. 05, 2012	Jun. 30, 2011
Entities [Table]
Entity Registrant Name	Avid Technology, Inc.
Entity Central Index Key	0000896841
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 721,477,000
Entity Common Stock, Shares Outstanding		38,925,247
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q3
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2012