Annual report pursuant to Section 13 and 15(d)

Stock-Based Awards (Summary Of Information About Stock Options And SARs Outstanding And Exercisable) (Details)

v2.4.0.6
Stock-Based Awards (Summary Of Information About Stock Options And SARs Outstanding And Exercisable) (Details) (USD $)
12 Months Ended
Dec. 31, 2012
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Number Outstanding at December 31, 2012 2,776,693
Number Exercisable at December 31, 2012 2,041,397
$0.00 to $9.99 [Member]
 
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of exercise prices, lower limit $ 0.00
Range of exercise prices, upper limit $ 9.99
Number Outstanding at December 31, 2012 177,102
Weighted Average Exercise Price $ 5.51
Weighted Average Remaining Contractual Term in Years 5 years 9 months 18 days
Number Exercisable at December 31, 2012 177,102
Weighted Average Exercise Price $ 5.51
$10.00 to $19.99 [Member]
 
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of exercise prices, lower limit $ 10.00
Range of exercise prices, upper limit $ 19.99
Number Outstanding at December 31, 2012 556,708
Weighted Average Exercise Price $ 16.95
Weighted Average Remaining Contractual Term in Years 5 years 3 months 18 days
Number Exercisable at December 31, 2012 513,927
Weighted Average Exercise Price $ 16.70
$20.00 to $29.99 [Member]
 
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of exercise prices, lower limit $ 20.00
Range of exercise prices, upper limit $ 29.99
Number Outstanding at December 31, 2012 685,488
Weighted Average Exercise Price $ 24.91
Weighted Average Remaining Contractual Term in Years 7 years 4 months 24 days
Number Exercisable at December 31, 2012 350,388
Weighted Average Exercise Price $ 23.29
$30.00 to $34.99 [Member]
 
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of exercise prices, lower limit $ 30.00
Range of exercise prices, upper limit $ 34.99
Number Outstanding at December 31, 2012 986,840
Weighted Average Exercise Price $ 34.94
Weighted Average Remaining Contractual Term in Years 6 years
Number Exercisable at December 31, 2012 629,425
Weighted Average Exercise Price $ 34.51
$35.00 to $44.99 [Member]
 
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of exercise prices, lower limit $ 35.00
Range of exercise prices, upper limit $ 44.99
Number Outstanding at December 31, 2012 370,555
Weighted Average Exercise Price $ 44.71
Weighted Average Remaining Contractual Term in Years 5 years 7 months 6 days
Number Exercisable at December 31, 2012 370,555
Weighted Average Exercise Price $ 44.71