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Stock-Based Compensation Plans (Tables)
 12 Months Ended
Dec. 31, 2012
Stock-Based Compensation Plans  
Schedule of unvested restricted stock unit activity

 

 

 

 

 

 

 

 

Aggregate

 

 

 

 

 

Weighted-

 

Intrinsic

 

 

 

Shares

 

Average

 

Value *

 

Unvested Restricted Stock Units (RSUs)

 

(in thousands)

 

Price

 

(in thousands)

 

 

 

 

 

 

 

 

 

Outstanding at January 1, 2012

 

—

 

$

—

 

 

 

Awarded

 

361

 

33.23

 

 

 

Vested

 

(95

)

33.23

 

 

 

Forfeited

 

(2

)

33.23

 

 

 

Outstanding at December 31, 2012

 

264

 

$

33.23

 

$

8,657

 

Outstanding and expected to vest at December 31, 2012

 

259

 

$

33.23

 

$

8,485

 

 

* The intrinsic value is calculated using the closing price per share of $32.79 as reported by the New York Stock Exchange on December 31, 2012.
Assumptions used to determine the fair value of stock options granted

 

 

Number

 

 

 

Risk-

 

 

 

 

 

 

 

 

 

 

 

of Options

 

 

 

Free

 

 

 

 

 

 

 

 

 

 

 

Granted

 

Grant

 

Interest

 

Dividend

 

Expected

 

 

 

 

 

Fair

 

(in thousands)

 

Date

 

Rate

 

Yield

 

Life

 

Volatility

 

Exercise Price

 

Value

 

1994 Plan

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1,362

 

02/03/11

 

2.62

%

1.75

%

6.2 years

 

39.0

%

$29.66 to $32.63

 

$

10.33

 

   148

 

02/02/10

 

2.93

%

1.62

%

6.5 years

 

36.0

%

24.75

 

$

8.46

 

1995 Plan

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

    30

 

02/15/11

 

2.92

%

1.76

%

6.6 years

 

38.0

%

$29.58

 

$

10.49

 

 
Summary of stock option activity

 

 

 

 

 

 

 

 

Weighted-

 

 

 

 

 

 

 

Weighted-

 

Average

 

Aggregate

 

 

 

 

 

Average

 

Remaining

 

Intrinsic

 

 

 

Shares

 

Exercise

 

Contractual

 

Value*

 

Non-Qualified Stock Options

 

(in thousands)

 

Price

 

Life

 

(in thousands)

 

Outstanding at January 1, 2012

 

2,134

 

$

31.15

 

3.1

 

$

8,053

 

Exercised

 

(186

)

$

26.55

 

 

 

 

 

Forfeited

 

(41

)

$

32.25

 

 

 

 

 

Outstanding at December 31, 2012

 

1,907

 

$

31.58

 

3.8

 

$

5,347

 

Outstanding and expected to vest at December 31, 2012

 

1,882

 

$

31.60

 

3.7

 

$

5,261

 

Exercisable at December 31, 2012

 

1,081

 

$

33.20

 

2.8

 

$

2,592

 

 

* The intrinsic value represents the amount by which the fair market value of the underlying common stock exceeds the exercise price of the option, using the closing price per share of $32.79 as reported by the New York Stock Exchange on December 31, 2012.

 
Summary of unvested stock options activity

 

 

 

 

 

 

Weighted-

 

 

 

 

 

Average

 

 

 

Shares

 

Grant-Date

 

Unvested Options

 

(in thousands)

 

Fair Value

 

Unvested at January 1, 2012

 

1,242

 

$

10.11

 

Vested

 

(397

)

$

9.87

 

Forfeited

 

(19

)

$

8.88

 

Unvested at December 31, 2012

 

826

 

$

10.25