Income Taxes (Tables)

12 Months Ended

Oct. 02, 2015

Income Tax Disclosure [Abstract]

Schedule of Income before Income Tax, Domestic and Foreign

Income before income taxes consists of the following components (in millions):

	Fiscal Years Ended
	October 2, 2015		October 3, 2014		September 27, 2013
United States	$	602.1	$	346.8	$	164.8
Foreign	421.5		218.4		179.7
Income before income taxes	$	1,023.6	$	565.2	$	344.5

Schedule of Components of Income Tax Expense (Benefit)

The provision for income taxes consists of the following (in millions):

	Fiscal Years Ended
	October 2, 2015			October 3, 2014			September 27, 2013
Current tax expense (benefit):
Federal	$	199.5		$	88.2		$	38.0
State	(0.5		)	(0.5		)	0.1
Foreign	33.9			13.5			14.8
	232.9			101.2			52.9
Deferred tax expense (benefit):
Federal	(2.0		)	12.3			14.4
State	(10.4		)	(4.6		)	(4.9		)
Foreign	0.4			(11.2		)	(0.1		)
	(12.0		)	(3.5		)	9.4
Change in valuation allowance	4.4			9.8			4.1
Provision for income taxes	$	225.3		$	107.5		$	66.4

Schedule of Effective Income Tax Rate Reconciliation

	Fiscal Years Ended
	October 2, 2015			October 3, 2014			September 27, 2013
Tax expense at United States statutory rate	$	358.3		$	197.8		$	120.6
Foreign tax rate difference	(120.9		)	(77.3		)	(49.8		)
Research and development credits	(15.0		)	(2.8		)	(16.3		)
Change in tax reserve	25.5			11.0			11.7
Change in valuation allowance	4.4			9.8			4.1
Domestic production activities deduction	(19.7		)	(10.9		)	(5.0		)
Audit settlements and adjustments	—			(19.7		)	1.9
Other, net	(7.3		)	(0.4		)	(0.8		)
Provision for income taxes	$	225.3		$	107.5		$	66.4

Schedule of Deferred Tax Assets and Liabilities

Deferred income tax assets and liabilities consist of the tax effects of temporary differences related to the following (in millions):

	Fiscal Years Ended
	October 2, 2015			October 3, 2014
Deferred Tax Assets:
Current:
Inventory	$	4.9		$	5.3
Bad debts	0.1			0.2
Accrued compensation and benefits	5.2			5.0
Product returns, allowances and warranty	4.3			4.9
Restructuring	0.1			0.2
Other, net	0.6			0.3
Current deferred tax assets	15.2			15.9
Less valuation allowance	(6.4		)	(6.4		)
Net current deferred tax assets	8.8			9.5
Long-term:
Intangible assets	11.6			4.7
Share-based and other deferred compensation	44.6			39.4
Net operating loss carry forwards	7.4			12.7
Federal tax credits	11.5			13.0
State tax credits	53.4			43.1
Other, net	2.4			2.7
Long-term deferred tax assets	130.9			115.6
Less valuation allowance	(58.8		)	(54.4		)
Net long-term deferred tax assets	72.1			61.2
Deferred tax assets	146.1			131.5
Less valuation allowance	(65.2		)	(60.8		)
Net deferred tax assets	80.9			70.7
Deferred Tax Liabilities:
Current:
Prepaid insurance	(0.8		)	(0.8		)
Current deferred tax liabilities	(0.8		)	(0.8		)
Long-term:
Property, plant and equipment	(10.1		)	(11.6		)
Intangible assets	(8.2		)	(1.2		)
Long-term deferred tax liabilities	(18.3		)	(12.8		)
Net deferred tax liabilities	(19.1		)	(13.6		)
Total net deferred tax assets	$	61.8		$	57.1

Summary of Positions for which Significant Change in Unrecognized Tax Benefits is Reasonably Possible

A reconciliation of the beginning and ending amount of gross unrecognized tax benefits is as follows (in millions):

	Unrecognized tax benefits
Balance at October 3, 2014	$	51.8
Increases based on positions related to prior years	0.2
Increases based on positions related to current year	29.3
Decreases relating to settlements with taxing authorities	—
Decreases relating to lapses of applicable statutes of limitations	(0.1		)
Balance at October 2, 2015	$	81.2