Preferred Securities	12 Months Ended
Dec. 31, 2011
Notes to Financial Statements [Abstract]
Preferred Securities	17. Preferred Securities On October 8, 2003, the Company issued 9,200,000 depositary shares, each representing a 1/10th interest in a share of its Preferred Stock at the public offering price of $25 per share, or $230 million in the aggregate. On July 30, 2010, the Company redeemed the remaining approximately 460,000 shares of outstanding Preferred Stock at $25 per share, which totaled $115 million. The Company recognized a $3.3 million non-cash loss adjustment charged to Retained earnings related to the write-off of issuance costs that reduced Net earnings available for common stockholders.

- Definition

Tabular disclosure of temporary equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.

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