Organization Basis of Presentation and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2011

Organization consolidation and presentation of financial statements disclosure and significant accounting policies [Abstract]

Software revenue recognition

Total revenue, as reported, and pro forma total revenue that would have been reported for 2011, if the transactions entered into beginning January 1, 2011 had been subject to the previously applied revenue recognition guidance, are shown in the following table:

	Year ended December 31, 2011
	As Reported		Pro Forma
	(In thousands)
Net revenue	$	549,332	$	532,820

Components of accumulated balances for each component of other comprehensive income (loss)

	Unrealized Gain (Loss) in  Available- for-Sale Securities			Foreign Currency Translation			Accumulated Other Comprehensive Income (Loss)
	(In thousands)
Balance at December 31, 2008	$	(134	)	$	(486	)	$	(620	)
Change during year		529			56			585
Balance at December 31, 2009		395			(430	)		(35	)
Change during year		(376	)		(301	)		(677	)
Balance at December 31, 2010		19			(731	)		(712	)
Change during year		10			(173	)		(163	)
Balance at December 31, 2011	$	29		$	(904	)	$	(875	)