Business Segments (Schedule Of Business Segments) (Details) (USD $) In Thousands, unless otherwise specified	7 Months Ended		12 Months Ended
	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2011	May 31, 2010	May 31, 2009
Segment Reporting Information [Line Items]
Total revenue	$ 613,309	$ 383,479	$ 1,444,077	$ 704,502	$ 548,439
Unallocated corporate expenses	(141,407)		(241,248)	(118,762)	(104,452)
Total income from operations	5,885	50,146	136,544	104,583	45,934
Clinical Solutions [Member]
Segment Reporting Information [Line Items]
Total revenue	369,312		686,600	593,061	457,402
Total income from operations	87,466		168,377	164,492	118,552
Hospital Solutions [Member]
Segment Reporting Information [Line Items]
Total revenue	174,677		628,314	0	0
Total income from operations	24,236		138,440	0	0
Health Solutions [Member]
Segment Reporting Information [Line Items]
Total revenue	69,320		129,163	111,441	76,616
Total income from operations	35,590		70,975	58,853	30,713
Prepackaged Medications [Member]
Segment Reporting Information [Line Items]
Total revenue	0		0	0	14,421
Total income from operations	$ 0		$ 0	$ 0	$ 1,121