Stock-based compensation (Tables)

6 Months Ended

Jun. 30, 2011

Stock Options Outstanding

acceleration clause at termination of employment due to retirement.

(Not in thousands)
Exercise Price Range per Share	Options Outstanding		Weighted- Average Exercise Price of Options Outstanding		Weighted-Average Remaining Life of Options Outstanding in Years		Options Exercisable (fully vested)		Weighted-Average Exercise Price of Options Exercisable
$ 14.39 - $ 18.50		1,014,053	$	15.84		1.24		1,014,053	$	15.84
$ 19.25 - $ 27.20		1,088,981	$	25.27		3.01		1,088,981	$	25.27
$ 14.39 - $ 27.20		2,103,034	$	20.72		2.16		2,103,034	$	20.72

Summary of Stock Option Activity

The following table summarizes the stock option activity and related information:

(Not in thousands)	Options Outstanding			Weighted-Average Exercise Price
Outstanding at December 31, 2009		2,552,663		$	20.64
Granted		—			—
Exercised		—			—
Forfeited		—			—
Expired		(277,497	)		20.43
Outstanding at December 31, 2010		2,275,166		$	20.67
Granted		—			—
Exercised		—			—
Forfeited		—			—
Expired		(172,132	)		20.03
Outstanding at June 30, 2011		2,103,034		$	20.72

Management

Summary of Restricted Stock Activity Under the Incentive Plan

The following table summarizes the restricted stock activity under the Incentive Plan for members of management.

(Not in thousands)	Restricted Stock			Weighted-Average Grant Date Fair Value
Non-vested at December 31, 2009		138,512		$	23.62
Granted		1,525,416			2.70
Vested		(340,879	)		7.87
Forfeited		(191,313	)		3.24
Non-vested at December 31, 2010		1,131,736		$	3.61
Granted		1,559,463			3.24
Vested		(41,832	)		10.18
Forfeited		(2,000	)		5.10
Non-vested at June 30, 2011		2,647,367		$	3.28

Director

Summary of Restricted Stock Activity Under the Incentive Plan

The following table summarizes the restricted stock activity under the Incentive Plan for members of the Board of Directors:

(Not in thousands)	Restricted Stock			Weighted-Average Grant Date Fair Value
Non-vested at December 31, 2009		—			—
Granted		305,898		$	2.95
Vested		(305,898	)		2.95
Forfeited		—			—
Non-vested at December 31, 2010		—			—
Granted		218,707		$	2.93
Vested		(218,707	)		2.93
Forfeited		—			—
Non-vested at June 30, 2011		—			—