XML 218 R21.htm IDEA: XBRL DOCUMENT

Subsequent Event	6 Months Ended
Subsequent Event	Jun. 30, 2013
Subsequent Events [Abstract]
Subsequent Event [Text Block]	Subsequent Event Stock Repurchases Subsequent to June 30, 2013, we repurchased 174,200 shares of our common stock under the stock repurchase program authorized by the Board of Directors on March 8, 2013. The average price paid per share was $42.71.