Goodwill And Other Intangible Assets (Schedule Of Changes In The Carrying Amount Of Goodwill, By Reporting Segment) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Goodwill [Line Items]
Balance, Goodwill gross, beginning balance	$ 1,442,411	$ 1,459,441
Balance, Accumulated impairment losses, beginning balance
Balance, Goodwill net, beginning balance	1,442,411	1,459,441
Goodwill related to acquisitions	12,973
Goodwill related to dispositions	(7,490)	(16,821)
Adjustments		(180)
Reversal of ARROW integration accrual, net of tax	(81)
Translation adjustment	(9,271)	(29)
Balance, Goodwill gross, ending balance	1,438,542	1,442,411
Balance, Accumulated impairment losses, ending balance
Balance, Goodwill net, ending balance	1,438,542	1,442,411
Medical Segment[Member]
Goodwill [Line Items]
Balance, Goodwill gross, beginning balance	1,434,921	1,444,354
Balance, Accumulated impairment losses, beginning balance
Balance, Goodwill net, beginning balance	1,434,921	1,444,354
Goodwill related to acquisitions	12,973
Goodwill related to dispositions		(9,224)
Adjustments		(180)
Reversal of ARROW integration accrual, net of tax	(81)
Translation adjustment	(9,271)	(29)
Balance, Goodwill gross, ending balance	1,438,542	1,434,921
Balance, Accumulated impairment losses, ending balance
Balance, Goodwill net, ending balance	1,438,542	1,434,921
Former Commercial Segment [Member]
Goodwill [Line Items]
Balance, Goodwill gross, beginning balance	7,490	15,087
Balance, Accumulated impairment losses, beginning balance
Balance, Goodwill net, beginning balance	7,490	15,087
Goodwill related to dispositions	(7,490)	(7,597)
Adjustments		0
Translation adjustment		0
Balance, Goodwill gross, ending balance		7,490
Balance, Accumulated impairment losses, ending balance
Balance, Goodwill net, ending balance		$ 7,490