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Stock Compensation (Tables)
12 Months Ended
Dec. 31, 2015
Equity [Abstract]  
Assumptions Used To Value Share-Based Compensation
 
Year Ended December 31
 
2015
 
2014
 
2013
Dividend yield
2%
 
2%
 
2%
Risk-free interest rate
2%
 
2%
 
1%
Stock volatility
28%
 
37%
 
38%
Average expected life (years)
6
 
6
 
6
Summary Of Option Activity During The Period
 
Shares
 
Weighted-Average
Exercise Price
 
(In thousands, except per share amounts)
Shares under option at December 31, 2014
11,113

 
$
29.91

Granted
1,793

 
46.92

Exercised
(984
)
 
28.42

Forfeited or expired
(269
)
 
35.62

Shares under option at December 31, 2015
11,653

 
$
32.52

 
 
 
 
Exercisable at December 31, 2015
7,307

 
$
29.29

Summary Of Restricted Stock Awards And PSUs Activity During The Period
 
Restricted
Stock Awards and PSUs
 
Weighted Average
Grant-Date Fair Value
 
(In thousands, except per share amounts)
Non-vested at December 31, 2014
3,556

 
$
34.17

Granted
1,766

 
46.73

Vested
(1,044
)
 
26.69

Forfeited
(258
)
 
36.33

Non-vested at December 31, 2015
4,020

 
$
40.99