Stockholders' Equity (Narrative) (Details) (USD $)	0 Months Ended		1 Months Ended	3 Months Ended
	May 02, 2012	Apr. 02, 2012	Apr. 30, 2012	Mar. 31, 2012
Stockholders' Equity [Abstract]
Cash dividend paid for common shares		$ 0.10
Common stock repurchased	$ 35,000,000			$ 19,781,000
Cash paid for stock repurchase			$ 2,500,000