GOODWILL AND INTANGIBLE ASSETS - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 01, 2016	Jul. 03, 2015	Jul. 01, 2016	Jul. 03, 2015	Oct. 02, 2015
Indefinite-lived Intangible Assets [Line Items]
Amortization expense for intangible assets	$ 2,900	$ 1,800	$ 9,662	$ 5,112
Future amortization expense, fiscal year 2016	4,000		4,000
Future amortization expense, fiscal year 2017	15,200		15,200
Future amortization expense, fiscal year 2018	11,600		11,600
Future amortization expense, fiscal year 2019	10,800		10,800
Future amortization expense, fiscal year 2020	9,500		9,500
Future amortization expense, thereafter	16,600		16,600
In Process Research and Development
Indefinite-lived Intangible Assets [Line Items]
Research and development asset acquired fair value	$ 8,800		$ 8,800		$ 10,600