Business Combinations And Divestitures (Summary Of Assets Acquired And Liabilities Assumed) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011 Eclipsys [Member]	Aug. 24, 2010 Eclipsys [Member]	Dec. 31, 2011 Misys [Member]	Oct. 10, 2008 Misys [Member]
Business Acquisition [Line Items]
Acquired cash and cash equivalents, and restricted cash	$ 174,543
Acquired cash and marketable securities			410,374
Accounts receivable, net	136,198		88,306
Prepaid expenses and other current assets	31,520		20,555
Fixed assets and other long-term assets	83,680		24,144
Goodwill	623,614		330,984
Intangible assets	377,000	377,000	236,600	236,600
Deferred tax liabilities, net	(13,128)		(27,182)
Accounts payable and accrued liabilities	(59,166)		(385,916)
Deferred revenue	(106,344)		(44,389)
Long-term debt			(80,602)
Other liabilities	(16,637)		(3,676)
Net assets acquired	$ 1,231,280		$ 569,198