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Stock-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2012
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of stock option and SAR activity
A summary of stock option and SAR activity under the Stock Option Plan and the Equity Plan and Other Plans are as follows:
 
 
Stock Option Plan
 
Equity Plan and Other Plans
 
Number
Outstanding
 
Weighted-
Average
Exercise Price
per Share
 
Number
Outstanding
 
Weighted-
Average
Exercise Price
per Share
Outstanding at December 31, 2009
897

 
$
14.64

 
1,172

 
$
11.55

Granted

 
$

 
788

 
$
7.88

Exercised

 
$

 
(1
)
 
$
4.79

Canceled/forfeited/expired
(71
)
 
$
22.98

 
(119
)
 
$
17.43

Outstanding at December 31, 2010
826

 
$
13.93

 
1,840

 
$
9.60

Granted

 
$

 

 
$

Exercised

 
$

 
(83
)
 
$
6.31

Canceled/forfeited/expired
(45
)
 
$
11.54

 
(257
)
 
$
7.77

Outstanding at December 31, 2011
781

 
$
14.06

 
1,500

 
$
10.10

Granted

 
$

 

 
$

Exercised
(55
)
 
$
9.68

 
(143
)
 
$
8.10

Canceled/forfeited/expired
(28
)
 
$
15.63

 
(116
)
 
$
7.55

Outstanding at December 31, 2012
698

 
$
14.34

 
1,241

 
$
10.57

Vested and expected to vest at December 31, 2012
698

 
$
14.34

 
1,061

 
$
10.57

Exercisable at December 31, 2012
698

 
$
14.34

 
1,055

 
$
11.00

Schedule of stock options and SARs outstanding and exercisable
The following table summarizes stock options and SARs outstanding and exercisable as of December 31, 2012:
 
 
 
 
Outstanding
 
Exercisable
 
Range
Of
Exercise
Price
per Share
 
Number
Outstanding
 
Weighted-
Average
Remaining
Contractual
Life (Years)
 
Weighted-
Average
Exercise Price
per Share
 
Number
Outstanding
 
Weighted-
Average
Remaining
Contractual
Life (Years)
 
Weighted-
Average
Exercise Price
per Share
Stock Option Plan
8.71 - $14.86
 
412

 
1.97
 
$
13.89

 
412

 
1.97
 
$
13.89

 
14.94 -   24.47
 
286

 
1.52
 
15.00

 
286

 
1.52
 
15.00

 
 
 
698

 
 
 
 
 
698

 
 
 
 
Equity Plan
4.55 - $  8.21
 
149

 
7.17
 
$
5.14

 
119

 
7.04
 
$
5.29

 
8.71 -   14.86
 
782

 
6.65
 
8.75

 
626

 
6.54
 
8.75

 
14.94 -   24.47
 
279

 
4.59
 
16.97

 
279

 
4.59
 
16.97

 
24.95 -   24.95
 
31

 
4.30
 
24.95

 
31

 
4.30
 
24.95

 
 
 
1,241

 
 
 
 
 
1,055

 
 
 
 
TOTAL
 
 
1,939

 
4.60
 
$
11.93

 
1,753

 
4.33
 
$
12.33

Schedule of valuation assumptions for SARs granted
Stock-based compensation expense for 2012, 2011 and 2010 for SARs granted was estimated at the date of grant using the Black-Scholes valuation model based on the following weighted average assumptions:
 
 
2012
 
2011
 
2010
Expected life
N/A
 
N/A
 
3.4 years

Risk-free interest rate
N/A
 
N/A
 
1.5
%
Volatility
N/A
 
N/A
 
44
%
Dividend yield
N/A
 
N/A
 
%
Schedule of RSU activity for non-vested awards
The following table summarizes RSU activity for non-vested awards for the years ended December 31, 2012, 2011 and 2010:
 
 
Number of Shares
 
Weighted Average
Grant Date
Fair Value per
Share
Unvested at January 1, 2010
1,346

 
$
10.95

Granted—RSUs
933

 
$
8.28

Vested
(429
)
 
$
12.96

Canceled/forfeited/expired
(130
)
 
$
8.09

Unvested at December 31, 2010
1,720

 
$
9.21

Granted—RSUs
414

 
$
6.59

Granted—PRSUs
288

 
$
8.53

Vested
(725
)
 
$
10.77

Canceled/forfeited/expired
(168
)
 
$
8.23

Unvested at December 31, 2011
1,529

 
$
7.74

Granted—RSUs
459

 
$
6.70

Granted—PRSUs
465

 
$
8.15

Vested
(716
)
 
$
7.95

Canceled/forfeited/expired
(78
)
 
$
6.66

Unvested at December 31, 2012
1,659

 
$
7.53

Schedule of stock-based compensation expense
The following table shows the total stock-based compensation expense, related to all of the Company’s equity awards, recognized for the years ended December 31, 2012, 2011 and 2010:
 
 
Years Ended December 31,
 
2012
 
2011
 
2010
Stock-based employee compensation, before tax
$
6,224

 
$
7,132

 
$
8,284

Related income tax benefits
(2,403
)
 
(2,746
)
 
(3,212
)
Stock-based employee compensation, net of tax
$
3,821

 
$
4,386

 
$
5,072