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Equity Compensation Plans and Equity (Tables)
12 Months Ended
Dec. 31, 2013
Equity Compensation Plans and Equity  
Assumptions based on which fair value of each option granted was estimated using the Black-Scholes option-pricing model

 

 

 

 

For the year ended December 31,

 

 

 

2013

 

2012

 

2011

 

Weighted-average expected stock-price volatility

 

48

%

59

%

55

%

Weighted-average expected option life

 

5 years

 

5 years

 

4 years

 

Average risk-free interest rate

 

1.27

%

0.70

%

1.40

%

Average dividend yield

 

0

%

0

%

0

%

Summary of restricted stock awards and restricted stock unit activity

 

 

 

 

 

 

Weighted-

 

 

 

 

 

Average

 

 

 

Shares

 

Grant-Date

 

 

 

(000’s)

 

Fair Value

 

Nonvested as of December 31, 2012

 

693

 

$

36.11

 

Granted

 

798

 

33.16

 

Vested

 

(207

)

32.44

 

Forfeited (including cancelled awards)

 

(126

)

34.33

 

Nonvested as of December 31, 2013

 

1,158

 

$

34.93

 

Summary of stock option awards activity

 

 

 

 

 

 

 

 

 

 

Weighted-

 

 

 

 

 

 

 

 

 

Average

 

 

 

 

 

Weighted-

 

 

 

Remaining

 

 

 

 

 

Average

 

Aggregate

 

Contractual

 

 

 

Shares

 

Exercise

 

Intrinsic

 

Life

 

 

 

(000’s)

 

Price

 

Value (000’s)

 

(in years)

 

Outstanding as of December 31, 2012

 

2,322

 

$

28.63

 

 

 

 

 

Granted

 

539

 

32.68

 

 

 

 

 

Exercised

 

(149

)

14.74

 

 

 

 

 

Forfeited (including cancelled options)

 

(114

)

35.22

 

 

 

 

 

Outstanding as of December 31, 2013

 

2,598

 

$

29.98

 

$

14,277

 

6.5

 

Options exercisable as of December 31, 2013

 

1,567

 

$

27.19

 

$

13,208

 

4.7

 

Summary of information about stock options outstanding

 

 

 

 

Options Outstanding

 

Options Exercisable

 

 

 

Number

 

Weighted-Average

 

Weighted-

 

Number

 

Weighted-

 

 

 

Outstanding at

 

Remaining

 

Average

 

Exercisable at

 

Average

 

 

 

December 31,

 

Contractual Life

 

Exercise

 

December 31,

 

Exercise

 

Range of Exercise Prices

 

2013 (000s)

 

(in years)

 

Price

 

2013 (000s)

 

Price

 

$8.82 - 16.37

 

432

 

2.4

 

$

10.98

 

432

 

$

10.98

 

17.48 - 26.69

 

296

 

2.2

 

19.85

 

278

 

19.55

 

28.60 - 42.96

 

1,601

 

8.2

 

33.43

 

674

 

34.27

 

44.09 - 51.70

 

269

 

7.4

 

51.02

 

183

 

50.96

 

 

 

2,598

 

6.5

 

$

29.98

 

1,567

 

$

27.19