Discontinued Operations (Narratives) (Details) (USD $) In Millions, unless otherwise specified		0 Months Ended
	Oct. 31, 2012	Aug. 02, 2012 Starhome Disposition	Aug. 02, 2012 Starhome Starhome Disposition	Aug. 12, 2012 Indemnification Agreement Verint Merger Agreement
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Maximum indemnification obligations				$ 25.0
Cash placed in escrow to support indemnification claims				25.0
Tax indemnification receivable from Comverse Inc.	13.9
Net cash proceeds from disposal		37.2	81.3
Cash proceeds held in escrow to cover claims		10.5
First portion of cash proceeds released from escrow		5.5
Period for first portion of cash proceeds held in escrow before release (in months)		18 months
Period for remaining portion of cash proceeds held in escrow before release (in months)		24 months
Payments to certain other shareholders		$ 4.5
Period of noncompete agreement		4 years