Stockholders' Equity (Tables)

12 Months Ended

Sep. 26, 2020

Stockholders' Equity [Abstract]

Stock Option Activity

Information related to the equity incentive plans as of the fiscal years ended are as follows:

	2020					2019
	Number of Shares (in thousands)			Weighted Average Exercise Price		Number of Shares (in thousands)			Weighted Average Exercise Price
Options outstanding, beginning of period		10,263		$	37.82		10,744		$	32.40
Options granted		2,562			45.60		2,259			47.66
Options exercised		(1,223	)		24.96		(2,476	)		22.41
Options forfeited or cancelled		(142	)		45.05		(264	)		46.07
Options outstanding, end of period		11,460		$	40.84		10,263		$	37.82
Option price range at end of period	$	3.04-54.33				$	3.04-54.33
Options exercisable at end of period		5,599					4,720
Options available for grant at period end		2,678					5,099
Weighted average fair value of options granted during period	$	14.26				$	15.34

Valuation Assumptions Used for Options Granted

The fair value for options granted has been estimated at the date of grant using a Black-Scholes model, generally with the following weighted average assumptions:

	2020			2019			2018
Risk-free interest rate		1.7	%		2.5	%		2.7	%
Dividend yield		0.0	%		0.0	%		0.0	%
Volatility factor		27.2	%		26.3	%		26.1	%
Expected option life	6.5 years			6.5 years			6.5 years

Options Outstanding

The following table summarizes information about the options outstanding as of fiscal 2020:

Range of Exercise Prices		Number Outstanding (in thousands)		Intrinsic Value of Outstanding (in millions)		Weighted Remaining Contractual Life	Weighted Exercise Price		Number Exercisable (in thousands)		Intrinsic Value of Exercisable (in millions)		Unrecognized Compensation (in millions)		Weighted Recognition Period
$	3.04-54.33		11,460	$	92	6.8 years	$	40.84		5,599	$	77	$	4	2.1 years