INCOME TAXES (Narrative) (Details) (USD $)	12 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 29, 2012
Income Tax Disclosure [Abstract]
Tax Expense Related To Distributions From Earnings	$ 1,200,000	$ 300,000	$ 3,000,000
Effect of earnings of foreign subsidiaries subject to different tax rates	460,500,000
Undistributed Earnings Not Reinvested In Foreign Operations	89,600,000
Foreign Earnings Repatriated	18,200,000
Deferred Tax Assets, Gross, Noncurrent	3,800,000	3,800,000
Deferred Tax Assets, Operating Loss Carryforwards, Foreign	80,600,000
Deferred Tax Assets, Tax Credit Carryforwards	700,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	7,200,000
Excess tax benefits from stock based compensation	(825,000)	825,000	1,537,000
Operating Loss Carryforwards [Line Items]
Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions	394,000	1,802,000	7,626,000
Unrecognized Tax Benefits, Decreases Resulting from Settlements with Taxing Authorities		7,500,000
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	177,800,000
Deferred Tax Assets, Operating Loss Carryforwards, Domestic	6,900,000
Operations In Singapore And Malaysia [Member]
Operating Loss Carryforwards [Line Items]
Income Tax Reconciliation, Tax Exempt Income	17,400,000	9,600,000	22,100,000
Income Tax Reconciliation Foreign Income Tax Rate Differential Per Share	$ 0.23	$ 0.13	$ 0.30
Minimum [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforward, Foreign, Statute Of Limitions	4 years
Minimum [Member] | Operations In Singapore And Malaysia [Member]
Operating Loss Carryforwards [Line Items]
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential		5.00%
Maximum [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforward, Foreign, Statute Of Limitions	6 years
Maximum [Member] | Operations In Singapore And Malaysia [Member]
Operating Loss Carryforwards [Line Items]
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential	5.00%
Pennsylvania Tax Law [Member]
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	3,000,000	3,000,000	3,000,000
Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions	1,700,000
Unrecognized Tax Benefits, Decreases Resulting from Settlements with Taxing Authorities	$ 100,000