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Stock Based Compensation (Changes and Status of Key Management 2010 Restricted Stock Nonvested Shares) (Details) (USD $)	12 Months Ended		0 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Aug. 02, 2011 Key Management 2010 Restricted Stock	Dec. 31, 2012 Key Management 2010 Restricted Stock
Nonvested Shares
Vested (shares)				0
Weighted Average Fair value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 0	$ 0	$ 69.37

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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