Equity	9 Months Ended
Sep. 30, 2015
Share Repurchases [Abstract]
Stockholders' Equity	Equity In September 2001, our Board of Directors authorized a program to repurchase 15.4 million shares, adjusted for stock splits, of our common stock in open market or negotiated transactions using available cash, cash equivalents and investments which was subsequently amended in February 2012. Approximately 1.5 million shares remain authorized for repurchase under the program as of September 30, 2015. There were 1.8 million shares repurchased in the open market during the three and nine months ended September 30, 2015. There were no shares repurchased during the three and nine months ended September 30, 2014. The authorization remains open at September 30, 2015 and has no expiration date. The share repurchase authorization is discretionary and may be suspended or discontinued at any time without prior notice. During the three and nine months ended September 30, 2015 and 2014, our Board of Directors declared regular quarterly dividends totaling $1.8 million, $5.3 million, and $1.8 million, $5.3 million respectively. Future payment of cash dividends and the amount of such dividends will depend upon our financial conditions, our results of operations, our cash requirements, our tax treatment, and certain corporate law requirements, as well as factors deemed relevant by our Board of Directors.

Equity

9 Months Ended

Sep. 30, 2015

Equity

In September 2001, our Board of Directors authorized a program to repurchase 15.4 million shares, adjusted for stock splits, of our common stock in open market or negotiated transactions using available cash, cash equivalents and investments which was subsequently amended in February 2012. Approximately 1.5 million shares remain authorized for repurchase under the program as of September 30, 2015. There were 1.8 million shares repurchased in the open market during the three and nine months ended September 30, 2015. There were no shares repurchased during the three and nine months ended September 30, 2014. The authorization remains open at September 30, 2015 and has no expiration date. The share repurchase authorization is discretionary and may be suspended or discontinued at any time without prior notice.

During the three and nine months ended September 30, 2015 and 2014, our Board of Directors declared regular quarterly dividends totaling $1.8 million, $5.3 million, and $1.8 million, $5.3 million respectively. Future payment of cash dividends and the amount of such dividends will depend upon our financial conditions, our results of operations, our cash requirements, our tax treatment, and certain corporate law requirements, as well as factors deemed relevant by our Board of Directors.