INCOME TAXES - Reconciliation of the Unrecognized Tax Benefits (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 28, 2014	Sep. 29, 2013	Sep. 30, 2012
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning gross unrecognized tax benefits	$ 69,571	$ 58,016	$ 32,370
Additions based on tax positions related to the current year	2,389	3,238	12,786
Additions based on current year acquisitions	28,861	0	10,615
Additions based on tax positions of prior years	459	12,845	2,605
Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions	0	(2,805)	(169)
Reductions for lapses and settlements	(3,609)	(1,723)	(191)
Ending gross unrecognized tax benefit	$ 97,671	$ 69,571	$ 58,016