Note 8 Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Oct. 01, 2016
Deferred tax assets:
U.S. net operating loss carryforwards	$ 338,492	$ 373,933
Foreign net operating loss carryforwards	186,684	199,313
Acquisition related intangibles	13,913	28,928
Accruals not currently deductible	55,582	59,879
Property, plant and equipment	20,746	9,939
Tax credit carryforwards	11,832	14,191
Reserves not currently deductible	21,710	27,626
Stock compensation expense	21,151	20,617
Unrealized losses	4,475	4,475
Other	3,949	2,730
Valuation allowance	(163,267)	(176,422)
Total deferred tax assets	515,267	565,209
Deferred tax liabilities on foreign earnings	(36,027)	(37,122)
Other deferred tax liabilities	(8,140)	(19,228)
Recorded as:
Non-current deferred tax assets	476,554	514,314
Non-current deferred tax liabilities	(5,454)	(5,455)
Net deferred tax assets	$ 471,100	$ 508,859