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CONVERTIBLE PREFERRED STOCK (Details) (Series A Preferred Stock [Member], USD $)
In Millions, except Share data, unless otherwise specified
Feb. 04, 2013
Jan. 31, 2013
May 25, 2007
Comverse
CONVERTIBLE PREFERRED STOCK      
Series A convertible preferred stock, issued (in shares)     293,000
Aggregate purchase price     $ 293.0
Preferred Stock, authorized (in shares) 2,207,000 2,500,000