Capital Stock Changes in Common Stock Outstanding (Details) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Changes in Common Stock Outstanding [Roll Forward]
Beginning Balance, January 1	185,658	184,641	0
Conversion of net investment	0	0	184,578
Stock incentive plan activity	1,203	1,367	63
Repurchase of common stock	(2,304)	(350)	0
Ending Balance, December 31	184,557	185,658	184,641

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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- Definition

Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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