ACQUISITIONS: (Details 2) (USD $)	12 Months Ended			3 Months Ended	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2011	Dec. 31, 2011 GoDigital	Mar. 31, 2012 GoDigital	Mar. 31, 2013 Developed technology assets	Mar. 31, 2012 Developed technology assets	Mar. 31, 2011 Developed technology assets	Mar. 31, 2013 Customer/trademark assets	Mar. 31, 2012 Customer/trademark assets	Mar. 31, 2011 Customer/trademark assets
Amortization activity of intangible assets
Total intangible assets, gross	$ 36,837,000	$ 43,363,000	$ 46,207,000			$ 18,014,000	$ 18,417,000	$ 21,165,000	$ 18,823,000	$ 24,946,000	$ 25,042,000
Total accumulated amortization	(36,140,000)	(40,978,000)	(33,825,000)			(17,881,000)	(17,557,000)	(15,679,000)	(18,259,000)	(23,421,000)	(18,146,000)
Net intangible assets	697,000	2,385,000	12,382,000			133,000	860,000	5,486,000	564,000	1,525,000	6,896,000
Amortization expense	1,671,000	5,512,000	6,950,000
Impairment charges for intangible assets				4,000,000	4,000,000
Projection of amortization expense associated with the intangible assets
2014	441,000
2015	167,000
2016	26,000
2017	26,000
2018	26,000
Thereafter	$ 11,000