Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2013

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, 2013 and 2012 are presented in the following table:

	Three Months Ended June 30,				Six Months Ended June 30,
In thousands	2013		2012		2013		2012
Restricted stock units	$	2,116	$	1,974	$	3,474	$	3,186
Directors restricted stock grants(1)		106		60		206		120
Employee stock purchase plan		38		41		47		15
Total stock based compensation	$	2,260	$	2,075	$	3,727	$	3,321

(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.