v2.4.0.8

Income Taxes - Activity of Company's Unrecognized Income Tax Benefits (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 28, 2013	Sep. 29, 2012
Income Tax Disclosure [Abstract]
Balance at beginning of fiscal year	$ 53,148	$ 31,026
Tax positions related to current year:
Additions	64,992	11,673
Reductions
Tax positions related to prior years:
Additions related to change in estimate	3,317	1,327
Reductions	(363)	307
Payments	(621)	(197)
Lapses in statutes of limitations and settlements	(2,323)	(4,144)
Acquired tax positions:
Additions related to reserves acquired from acquisitions	3,676	13,156
Balance as of the end of the fiscal year	$ 121,826	$ 53,148

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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