XML 67 R83.htm IDEA: XBRL DOCUMENT

Stock-Based Compensation (Summary Of Restricted Stock Activity) (Details) (Restricted stock, USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair value of restricted stock awards granted	$ 49.84	$ 40.84	$ 26.94
Vest date fair value of restricted stock vested (in millions)	$ 100.8	$ 47.3	$ 54.3

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).

+ References+ Details