Stockholders' Equity

6 Months Ended

Jun. 30, 2013

Stockholders' Equity Note [Abstract]

Stockholders' Equity Note Disclosure [Text Block]

(7) Stockholders’ Equity

On December 21, 2010, the Company announced that its Board of Directors had authorized a share repurchase program, under which the Company is authorized to repurchase up to $200.0 million of the Company’s outstanding common stock. The Company has suspended repurchases under the share repurchase program. No shares were purchased during the first six months of 2013. During the second quarter of 2012, the Company repurchased and retired 788,300 shares at a cost of $5.3 million under this program.