Deferred Revenue (Tables)

12 Months Ended

Dec. 31, 2011

Deferred Revenue [Abstract]

Schedule Of Deferred Revenue

(in thousands)	December 31, 2011		December 31, 2010
Software license	$	15,005	$	7,617
Maintenance		50,916		43,594
Professional services and other		7,919		5,692
Current deferred revenue		73,840		56,903
Software license		13,532		15,833
Maintenance and professional services		1,835		1,918
Long-term deferred revenue		15,367		17,751
	$	89,207	$	74,654