Treasury Stock (Notes)

6 Months Ended

Jun. 30, 2013

Treasury Stock [Abstract]

Treasury Stock Acquired [Text Block]

Treasury Stock:

In the first six months of 2013, we acquired 27,260 shares of our common stock from employee option exercises and vested restricted stock by remitting $1.8 million in payments for the employee's share award income tax withholding obligations. In the first six months of 2013, we also acquired 55,704 shares of our common stock from option exercises with shares remitted back to us in lieu of a cash payment for the option exercise.