Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2012

Summary of Fair Values for Stock-based Awards Granted Using Black-Scholes Option Pricing Model

The fair values for option awards granted in 2012, 2011 and 2010 were estimated at the date of grant using the Black-Scholes option pricing model with the following weighted-average assumptions:

	For the Year Ended December 31,
	2012	2011	2010
Weighted-average fair value of grants	$5.07	$5.63	$5.30
Risk-free interest rate (range)	0.5% - 1.1%	1.4% -3.0%	1.4% -2.6%
Dividend yield (range)	3.6% - 4.7%	3.4% - 4.9%	4.2% - 5.6%
Expected life (range)	4 - 5 years	7 years	4 - 5 years
Expected volatility (range)	50.8% - 66.8%	52.1% - 69.0%	87.0% - 97.8%

Summary of Stock Option Activity

The following table reflects the stock option activity described above:

							Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (years)		Aggregate Intrinsic Value (thousands)
	Number of Options
	Employees			Directors
	(thousands)
Balance December 31, 2009		3,330			22		$	29.02
Granted		373			—			10.37
Exercised		(212	)		—			6.02
Forfeited		(268	)		(2	)		30.21
Balance December 31, 2010		3,223			20		$	28.28
Granted		276			—			13.72
Exercised		(192	)		—			6.39
Forfeited		(624	)		(10	)		41.02
Balance December 31, 2011		2,683			10		$	25.35
Granted		345			—			13.87
Exercised		(266	)		—			6.54
Forfeited		(166	)		(10	)		26.21
Balance December 31, 2012		2,596			—		$	25.70		5.3	$	7,877
Options exercisable at December 31,
2012		2,035			—		$	29.12		4.5	$	6,538
2011		2,230			10		$	28.00		5.2	$	5,177
2010		2,900			20		$	30.27		5.8	$	8,035

Summary of Characteristics of Options Outstanding

The following table summarizes the characteristics of the options outstanding at December 31, 2012 (in thousands):

	Options Outstanding
Range of Exercise Prices	Outstanding as of 12/31/12		Weighted- Average Remaining Contractual Life (years)		Weighted- Average Exercise Price		Options Exercisable
							Exercisable as of 12/31/12		Weighted- Average Exercise Price
$0.00-$6.50		569		6.0	$	6.01		569	$	6.01
$6.51-$12.50		276		7.3		10.42		172		10.37
$12.51-$29.50		611		7.6		15.11		154		18.65
$29.51-$49.50		781		3.1		38.05		781		38.05
$49.51-$69.50		359		3.7		59.87		359		59.87
		2,596		5.3	$	25.70		2,035	$	29.12

Activities for Unvested Stock Option Awards

The following table reflects the activity for unvested stock option awards for the year ended December 31, 2012 (options in thousands):

	Options			Weighted- Average Grant Date Fair Value
Unvested at December 31, 2011		453		$	5.34
Granted		345			5.06
Vested		(184	)		5.21
Forfeited		(53	)		5.19
Unvested at December 31, 2012		561		$	5.21

Activities for Unvested Restricted Stock Awards

The following table reflects the activity for unvested restricted stock awards for the year ended December 31, 2012 (awards in thousands):

	Awards			Weighted- Average Grant Date Fair Value
Unvested at December 31, 2011		728		$	9.31
Granted		299			13.92
Vested		(433	)		8.22
Forfeited		(46	)		12.76
Unvested at December 31, 2012		548		$	12.39

Activities for Unvested VSEP Awards

The following table reflects the activity for unvested VSEP awards for the year ended December 31, 2012 (awards in thousands):

	Awards			Weighted- Average Grant Date Fair Value
Unvested at December 31, 2011		1,182		$	13.34
Issued		1,401			14.98
Vested		(706	)		14.04
Forfeited		(9	)		13.42
Unvested at December 31, 2012		1,868		$	14.31

VSEP awards [Member]

Summary of Fair Values for Stock-based Awards Granted Using Black-Scholes Option Pricing Model

The Company’s common shares granted to a participant are subject to an additional time-based vesting period and will generally vest in 20% annual increments beginning on the date of grant and on each of the first four anniversaries of the date of grant. The fair value of the VSEP grants was estimated on the date of grant using a Monte Carlo approach model based on the following assumptions:

	Range
Risk-free interest rate	1.9%
Dividend yield	6.2%
Expected life	3.4 years
Expected volatility	88%