Commitments and Contingencies - Summary of Contingent Consideration Charges Recorded to the Consolidated Statement of Operations (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 24, 2011
Other Contingencies And Commitments [Line Items]
Contingent consideration-compensation expense	$ 80,010	$ 81,031	$ 20,002
Contingent consideration-fair value adjustments	11,310	38,466	(8,016)
Contingent consideration total	91,320	119,497	11,986
Sentinelle Medical Inc. [Member]
Other Contingencies And Commitments [Line Items]
Contingent consideration-fair value adjustments		(3,364)	(14,328)
Contingent consideration total		(3,364)	(14,328)
Interlace Medical, Inc [Member]
Other Contingencies And Commitments [Line Items]
Contingent consideration-compensation expense			2,102
Contingent consideration-fair value adjustments	11,310	41,830	6,312
Contingent consideration total	11,310	41,830	8,414
TCT International Co., Ltd. [Member]
Other Contingencies And Commitments [Line Items]
Contingent consideration-compensation expense	80,010	75,459	17,581
Contingent consideration total	80,010	75,459	17,581
Healthcome [Member]
Other Contingencies And Commitments [Line Items]
Contingent consideration-compensation expense		5,572	319
Contingent consideration total		$ 5,572	$ 319