Commitments and Contingencies - Summary of Contingent Consideration Charges Recorded to the Consolidated Statements of Operations (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 29, 2012	Dec. 24, 2011
Contingent Consideration Charges [Line Items]
Contingent consideration - compensation expense	$ 29,486	$ 10,441
Contingent consideration - fair value adjustments	10,040	5,122
Contingent consideration total	39,526	15,563
Sentinelle Medical Inc. [Member]
Contingent Consideration Charges [Line Items]
Contingent consideration - fair value adjustments		(468)
Contingent consideration total		(468)
Interlace Medical, Inc [Member]
Contingent Consideration Charges [Line Items]
Contingent consideration - fair value adjustments	10,040	5,590
Contingent consideration total	10,040	5,590
TCT International Co., Ltd. [Member]
Contingent Consideration Charges [Line Items]
Contingent consideration - compensation expense	29,486	10,012
Contingent consideration total	29,486	10,012
Healthcome [Member]
Contingent Consideration Charges [Line Items]
Contingent consideration - compensation expense		429
Contingent consideration total		$ 429