Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2012

Amounts Charged to Expense for Stock-based Compensation

The amounts charged to expense for stock-based compensation for the three and six months ended June 30, 2012 and 2011 are presented in the following table:

	Three Months Ended June 30,					Six Months Ended June 30,
In thousands	2012		2011			2012		2011
Restricted stock units	$	1,974	$	531		$	3,186	$	1,479
Directors restricted stock grants (1)		60		60			120		120
Employee stock purchase plan		41		68			15		123
Stock appreciation rights (2)		—		(57	)		—		(53	)
Stock options		—		—			—		—
Total stock-based compensation	$	2,075	$	602		$	3,321	$	1,669

(1) —  Relates to non-employee directors serving on the Parent Company's Board of Directors, all of whom have been elected by the Company's stockholders, as well as non-employee directors serving on NUAL's Board of Directors.

(2) —  All outstanding stock appreciation rights were exercised during 2011. The Company has no current plans to issue stock appreciation rights under the 2005 Amended and Restated Stock Incentive Plan.