Stock-based compensation (Tables)

3 Months Ended

Mar. 31, 2012

Schedule Of Share Based Compensation Shares Authorized Under Stock Option Plans By Exercise Price Range Text Block

	(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
$	15.82	-	$	18.50	598,409	$	16.77	0.92	598,409	$	16.77
$	19.25	-	$	27.20	1,083,749	$	25.27	2.26	1,083,749	$	25.27
$	15.82	-	$	27.20	1,682,158	$	22.25	1.79	1,682,158	$	22.25

Schedule Of Share Based Compensation Stock Options Activity Table Text Block

(Not in thousands)	Options Outstanding		Weighted-Average Exercise Price
Outstanding at December 31, 2010	2,275,166	$	20.67
Granted	-		-
Exercised	-		-
Forfeited	-		-
Expired	(205,715)		19.55
Outstanding at December 31, 2011	2,069,451	$	20.78
Granted	-		-
Exercised	-		-
Forfeited	-		-
Expired	(387,293)		14.42
Outstanding at March 31, 2012	1,682,158	$	22.25

Management Member

Schedule Of Share Based Compensation Restricted Stock Units Award Activity Table Text Block

(Not in thousands)	Restricted Stock		Weighted-Average Grant Date Fair Value
Non-vested at December 31, 2010	1,131,736	$	3.61
Granted	1,559,463		3.24
Vested	(51,563)		9.00
Forfeited	(220,293)		4.20
Non-vested at December 31, 2011	2,419,343	$	3.20
Granted	1,521,904		1.68
Vested	-		-
Forfeited	-		-
Non-vested at March 31, 2012	3,941,247	$	2.61

Director Member

Schedule Of Share Based Compensation Restricted Stock Units Award Activity Table Text Block

(Not in thousands)	Restricted Stock		Weighted-Average Grant Date Fair Value
Non-vested at December 31, 2010	-		-
Granted	305,898	$	2.95
Vested	(305,898)		2.95
Forfeited	-		-
Non-vested at December 31, 2011	-		-
Granted	53,750	$	1.60
Vested	(53,750)		1.60
Forfeited	-		-
Non-vested at March 31, 2012	-		-