XML 34 R70.htm IDEA: XBRL DOCUMENT

Stockholder's Equity (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended				120 Months Ended	168 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008	Dec. 31, 2012
Summary of the shares repurchased under stock repurchase Program
Shares repurchased	823	750	1,500	250	29,046	32,369
Total amount paid	$ 13,349	$ 9,930	$ 29,340	$ 3,782	$ 700,440	$ 756,841
Weighted-average price per share	$ 16.23	$ 13.24	$ 19.56	$ 15.13	$ 24.11	$ 23.38

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References+ Details

- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References+ Details