Summary Of Significant Accounting Policies (Schedule Of Rollforward Of Goodwill Activity) (Details) (USD $) In Thousands	3 Months Ended		12 Months Ended
	Sep. 25, 2010	Mar. 28, 2009	Sep. 24, 2011	Sep. 25, 2010	Sep. 26, 2009
Summary Of Significant Accounting Policies [Line Items]
Beginning balance			$ 2,108,847	$ 2,108,963
Impairment of goodwill	(76,700)	(2,340,000)		(76,723)	(2,340,023)
Accrued contingent consideration			18,924	32,489
Other adjustments, including taxes			(10,466)	(3,561)
Foreign currency translation adjustment			1,077	(938)
Ending balance	2,108,847		2,290,330	2,108,847	2,108,963
Sentinelle Medical [Member]
Summary Of Significant Accounting Policies [Line Items]
Goodwill, acquisition				48,617
TCT International Co [Member]
Summary Of Significant Accounting Policies [Line Items]
Goodwill, acquisition			77,870
Interlace [Member]
Summary Of Significant Accounting Policies [Line Items]
Goodwill, acquisition			88,279
Healthcome Technology [Member]
Summary Of Significant Accounting Policies [Line Items]
Goodwill, acquisition			$ 5,799