GOODWILL AND INTANGIBLE ASSETS, NET (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 28, 2015	Jun. 29, 2014	Jun. 28, 2015	Jun. 29, 2014	Sep. 28, 2014
Goodwill and Intangible Assets Disclosure [Line Items]
Amortizable intangible assets	$ 383,178		$ 383,178		$ 351,893
Goodwill	1,144,353		1,144,353		885,610
Amortization of intangible assets	24,811	$ 23,422	71,084	$ 69,694
Completed technology
Goodwill and Intangible Assets Disclosure [Line Items]
Amortizable intangible assets	252,155		252,155		201,333
Amortization of intangible assets	13,315	10,976	36,179	33,203
Customer relationships
Goodwill and Intangible Assets Disclosure [Line Items]
Amortizable intangible assets	129,995		129,995		149,328
Amortization of intangible assets	11,270	11,324	33,702	33,661
Backlog, Trade Name and Other [Member]
Goodwill and Intangible Assets Disclosure [Line Items]
Amortizable intangible assets	1,028		1,028		$ 1,232
Amortization of intangible assets	$ 226	$ 1,122	$ 1,203	$ 2,830