Goodwill And Intangible Assets (Schedule Of Changes In The Carrying Amount Of Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Schedule Of Goodwill And Intangible Assets [Line Items]
Goodwill	$ 1,039,364	$ 1,037,004
Accumulated impairment losses	0	0
Goodwill, net	1,039,364	1,037,004
Purchase accounting adjustments	2,360
Clinical Solutions [Member]
Schedule Of Goodwill And Intangible Assets [Line Items]
Goodwill	341,286	341,286
Accumulated impairment losses	0	0
Goodwill, net	341,286	341,286
Purchase accounting adjustments	0
Hospital Solutions [Member]
Schedule Of Goodwill And Intangible Assets [Line Items]
Goodwill	625,974	623,614
Accumulated impairment losses	0	0
Goodwill, net	625,974	623,614
Purchase accounting adjustments	2,360
Health Solutions [Member]
Schedule Of Goodwill And Intangible Assets [Line Items]
Goodwill	72,104	72,104
Accumulated impairment losses	0	0
Goodwill, net	72,104	72,104
Purchase accounting adjustments	$ 0