Commitments and Contingencies - Summary of Contingent Consideration Charges Recorded to the Consolidated Statements of Operations (Detail) (USD $)	3 Months Ended		6 Months Ended
	Mar. 30, 2013	Mar. 24, 2012	Mar. 30, 2013	Mar. 24, 2012
Contingent Consideration Charges [Line Items]
Contingent consideration - compensation expense	$ 29,388,000	$ 18,121,000	$ 58,874,000	$ 28,562,000
Contingent consideration - fair value adjustments	799,000	43,188,000	10,839,000	48,310,000
Contingent consideration total	30,187,000	61,309,000	69,713,000	76,872,000
Sentinelle Medical Inc. [Member]
Contingent Consideration Charges [Line Items]
Contingent consideration - fair value adjustments		258,000		(210,000)
Contingent consideration total		258,000		(210,000)
Interlace Medical, Inc [Member]
Contingent Consideration Charges [Line Items]
Contingent consideration - fair value adjustments	799,000	42,930,000	10,839,000	48,520,000
Contingent consideration total	799,000	42,930,000	10,839,000	48,520,000
TCT International Co., Ltd. [Member]
Contingent Consideration Charges [Line Items]
Contingent consideration - compensation expense	29,388,000	17,527,000	58,874,000	27,539,000
Contingent consideration total	29,388,000	17,527,000	58,874,000	27,539,000
Healthcome [Member]
Contingent Consideration Charges [Line Items]
Contingent consideration - compensation expense		594,000		1,023,000
Contingent consideration total		$ 594,000		$ 1,023,000