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INCOME TAXES (Effective income tax rate reconciliation) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Oct. 03, 2015	Jun. 27, 2015	Mar. 28, 2015	Dec. 27, 2014	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Dec. 28, 2013	Oct. 03, 2015	Sep. 27, 2014	Sep. 28, 2013
Income Tax Disclosure [Abstract]
Computed income tax expense based on U.S. statutory rate									$ 13,197	$ 26,997	$ 23,334
Effect of earnings of foreign subsidiaries subject to different tax rates									(6,103)	(9,763)	(11,193)
Benefits from foreign approved enterprise zones									(5,855)	(17,423)	(9,626)
Benefits from research and development tax credits (including prior years)									(4,090)	0	0
Change in Permanent Reinvestment Assertion									(19,704)	0	0
Dividend income									0	8,190	0
Effect of permanent items									1,822	(298)	664
Changes in valuation allowance									2,634	(1,820)	1,429
Foreign operations (withholding taxes, deferred taxes on unremitted earnings, US taxation of foreign earnings)									4,904	5,906	1,789
Reserve for uncertain tax positions									886	131	683
State income tax expense									(1,543)	2,241	(734)
Other, net									918	(16)	964
Provision for income taxes	$ (7,999)	$ (8,775)	$ 1,997	$ 1,843	$ 8,241	$ 4,908	$ 1,087	$ (91)	$ (12,934)	$ 14,145	$ 7,310

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