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Share-Based Payments (Summary Of Restricted Stock Award Activity) (Details) - Share-based compensation - restricted stock - $ / shares
shares in Thousands
6 Months Ended
Jun. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Non-vested, beginning of year, shares 609
Granted 277
Vested (173)
Forfeited (171)
Non-vested, end of period, shares 542
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]  
NON-VESTED, Beginning of year, weighted average grant date fair value $ 62.35
Per share weighted average grant date fair value of restricted stock granted 56.53
Vested, weighted average grant date fair value 59.46
Forfeited, weighted average grant date fair value 60.71
NON-VESTED, end of period, weighted average grant date fair value $ 61.00