Cash Dividends

6 Months Ended

Jun. 30, 2014

Stockholders' Equity Note [Abstract]

Cash Dividends

12. Cash Dividends

On January 29, 2014, our board of directors declared that the regular quarterly dividends to be paid to our stockholders in 2014 will be $0.15 per share of common stock, payable on March 12, June 12, September 12 and December 12 of 2014 to stockholders of record on March 5, June 5, September 5 and December 5 of 2014, the record dates for each of the dividend payments, respectively.

In connection with the June 12, 2014, dividend payment, the conversion rates for our convertible notes adjusted as follows:

Convertible Notes	Conversion Rate per $1,000 Principal Amount	Approximate Conversion Price Per Common Share		Effective Date
Series 2012 Notes	188.812	$	5.30	June 3, 2014
May 2015 Notes	165.4367	$	6.04	June 3, 2014