Non-Marketable Investments	9 Months Ended
Sep. 30, 2011
Non-Marketable Investments [Abstract]
Non-Marketable Investments	Note 5— Non-Marketable Investments At September 30, 2011 and December 31, 2010, the carrying value of the Company’s non-marketable investments, which were composed primarily of interests in technology-related private equity funds, were $7.7 million and $7.4 million, respectively. One of the Company’s investments, with a book value of $1.6 million and $1.7 million at September 30, 2011 and December 31, 2010, respectively, is being accounted for using the cost method and, accordingly, is valued at cost unless an other-than-temporary impairment in its value occurs. The other investments are being accounted for using the equity method as the investments are limited partnerships and the Company has an ownership interest in excess of 5% and, accordingly, the Company records its share of the investee’s operating results each period. The Company recorded a gain from its non-marketable investments of $0.6 million and $1.8 million during the nine months ended September 30, 2011 and 2010, respectively, which are included in gains on investments, net in the Consolidated Statements of Income. Gains from non-marketable investments were insignificant during the three months ended September 30, 2011 and were $1.4 million during the three months ended September 30, 2010.

Note 5— Non-Marketable Investments

At September 30, 2011 and December 31, 2010, the carrying value of the Company’s non-marketable investments, which were composed primarily of interests in technology-related private equity funds, were $7.7 million and $7.4 million, respectively.

One of the Company’s investments, with a book value of $1.6 million and $1.7 million at September 30, 2011 and December 31, 2010, respectively, is being accounted for using the cost method and, accordingly, is valued at cost unless an other-than-temporary impairment in its value occurs. The other investments are being accounted for using the equity method as the investments are limited partnerships and the Company has an ownership interest in excess of 5% and, accordingly, the Company records its share of the investee’s operating results each period. The Company recorded a gain from its non-marketable investments of $0.6 million and $1.8 million during the nine months ended September 30, 2011 and 2010, respectively, which are included in gains on investments, net in the Consolidated Statements of Income. Gains from non-marketable investments were insignificant during the three months ended September 30, 2011 and were $1.4 million during the three months ended September 30, 2010.