This excerpt taken from the VRSN 10-K filed Jul 12, 2007.
Note 18. Other Income
The following table presents the components of other income, net for periods presented:
Interest income is derived principally from the investment of VeriSigns surplus cash balances. Interest expense is derived principally from interest payments for VeriSigns outstanding balance from its credit facility. During 2006, VeriSign recorded a $21.7 million gain on the sale of the remaining equity stake in Network Solutions. During 2005, VeriSign recognized a gain of $8.2 million on the sale of an equity investment that was previously impaired. During 2004, VeriSign sold 18,000 ordinary shares of its Tokyo-based, majority owned consolidated subsidiary, VeriSign Japan K.K., representing a gain of approximately $74.9 million related to the sale. Other, net primarily consists of foreign exchange rate gains and losses and in 2005 it includes approximately $6.0 million of other income related to a litigation settlement with a telecommunication carrier.