CONTINGENCIES (Details) (USD $)	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Mar. 31, 2013
Product warranty accrual [Roll Forward]
Accrual balance at beginning of year	$ 3,501,000	$ 4,476,000	$ 3,430,000
Accruals for product warranties	4,943,000	3,602,000
Cost of warranty claims	(5,018,000)	(4,648,000)
Accrual balance at end of period	3,426,000		3,430,000
Standby Letters of Credit [Member] | Office Space - Burlington, Massachusetts [Member]
Operating Lease Commitments [Abstract]
Maximum exposure	2,600,000
Minimum exposure	1,200,000
Avid Technology Domestic [Member] | Standby Letters of Credit [Member]
Operating Lease Commitments [Abstract]
Letters of Credit Outstanding, Amount	$ 1,300,000