Note 8 Income Tax (Tables)

12 Months Ended

Sep. 30, 2017

Income Tax Disclosure [Abstract]

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

	Year Ended
	September 30, 2017		October 1, 2016		October 3, 2015
	(In thousands)
Domestic	$	128,493	$	138,138	$	91,613
Foreign	84,987		66,479		84,580
Total	$	213,480	$	204,617	$	176,193

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	Year Ended
	September 30, 2017			October 1, 2016			October 3, 2015
	(In thousands)
Federal:
Current	$	(2,524	)	$	490		$	1,413
Deferred	37,543			(4,550		)	(226,225		)
State:
Current	1,648			(265		)	543
Deferred	4,204			(5,141		)	(513		)
Foreign:
Current	37,076			32,427			42,295
Deferred	(3,300		)	(6,182		)	(18,581		)
Total provision for (benefit from) income taxes	$	74,647		$	16,779		$	(201,068	)

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	As of
	September 30, 2017			October 1, 2016
	(In thousands)
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		)
Net deferred tax assets	$	471,100		$	508,859
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

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	Year Ended
	September 30, 2017		October 1, 2016		October 3, 2015
Federal tax at statutory tax rate	35.00	%	35.00	%	35.00	%
Effect of foreign operations	1.89		5.35		3.82
Foreign income inclusion	0.26		9.43		0.21
Permanent items	2.10		(0.29	)	2.05
Release of valuation allowance	—		(47.10	)	(163.92	)
Discrete benefit of foreign restructuring	(4.92	)	—		—
Other	(2.10	)	4.61		4.41
State income taxes, net of federal benefit	2.72		1.18		4.31
Effective tax rate	34.95	%	8.18	%	(114.12	)%

Summary of Income Tax Contingencies [Table Text Block]

	Year Ended
	September 30, 2017		October 1, 2016			October 3, 2015
	(In thousands)
Balance, beginning of year	$	55,773	$	51,158		$	54,237
Increase (decrease) related to prior year tax positions	1,508		(2,413		)	(5,044		)
Increase related to current year tax positions	9,741		7,028			5,564
Settlements	—		—			(3,599		)
Balance, end of year	$	67,022	$	55,773		$	51,158