Stockholders' Equity And Stock-Based Compensation (Tables)

12 Months Ended

Sep. 25, 2015

Stockholders' Equity And Stock-Based Compensation [Abstract]

Schedule of Treasury Stock Authorizations [Table Text Block]

In November 2009, we announced a stock repurchase program ("program"), providing for the repurchase of up to $250.0 million of our Class A common stock. The following table summarizes the initial amount of authorized repurchases as well as additional repurchases approved by our Board of Directors as of September 25, 2015 (in thousands):

Authorization Period	Authorization Amount
Fiscal 2010: November 2009	$	250,000
Fiscal 2010: July 2010	300,000
Fiscal 2011: July 2011	250,000
Fiscal 2012: February 2012	100,000
Fiscal 2015: October 2014	200,000
Total	$	1,100,000

Schedule Of Fair Value Of Stock-Based Awards Estimated Using Weighted-Average Assumptions

The weighted-average assumptions used in the determination of the fair value of our stock options were as follows:

	Fiscal Year Ended
	September 25, 2015		September 26, 2014		September 27, 2013
Expected term (in years)	4.64		4.58		4.37
Risk-free interest rate	1.5	%	1.4	%	0.5	%
Expected stock price volatility	29.6	%	32.0	%	40.1	%
Dividend yield	0.9	%	—	%	—	%

Summary Of Weighted-Average Fair Value Of Stock Options Granted And Total Intrinsic Value Of Stock Options Exercised

The following table summarizes the weighted-average fair value (per share) of stock options granted and the total intrinsic value of stock options exercised (in thousands):

	Fiscal Year Ended
	September 25, 2015		September 26, 2014		September 27, 2013
Stock options granted - weighted-average grant date fair value	$	10.54	$	11.11	$	10.23
Stock options exercised - intrinsic value	8,546		15,300		3,781

Summary Of Stock Options Issued To Officers, Directors, And Employees Under 2000 Stock Incentive Plan And 2005 Stock Plan

The following tables summarize information about stock options issued under our 2000 Stock Incentive Plan and 2005 Stock Plan. As mentioned above, all remaining options outstanding to purchase shares of our Class B common stock were exercised during fiscal 2015, and therefore there were no outstanding options to purchase shares of Class B common stock as of September 25, 2015. Accordingly, all outstanding options as of September 25, 2015 shown within the table below (including those vested and exercisable) relate to shares of our Class A common stock.

	Shares		Weighted-Average Exercise Price		Weighted-Average Remaining Contractual Life	Aggregate Intrinsic Value (1)
	(in thousands)				(in years)	(in thousands)
Options outstanding at September 26, 2014	7,611		$	32.96
Grants	2,573		42.45
Exercises	(717	)	28.14
Forfeitures and cancellations	(632	)	36.67
Options outstanding at September 25, 2015	8,835		35.85		7.2	$	8,591
Options vested and expected to vest at September 25, 2015	8,438		35.57		7.1	8,582
Options exercisable at September 25, 2015	4,527		$	32.35	5.8	7,856

Summary Of Stock Options Outstanding And Exercisable

The following table summarizes information about stock options outstanding and exercisable at September 25, 2015:

	Outstanding Options				Options Exercisable
Range of Exercise Price	Shares	Weighted-Average Remaining Contractual Life	Weighted-Average Exercise Price		Shares	Weighted-Average Exercise Price
	(in thousands)	(in years)			(in thousands)
$13.90 - $24.59	22	0.5	$	18.39	22	$	18.39
$24.60 - $28.90	1,876	4.7	27.82		1,779	27.81
$28.91 - $33.40	1,647	6.7	30.48		1,145	30.42
$33.41 - $37.33	248	6.3	35.09		154	34.70
$37.34 - $47.45	4,981	8.4	40.55		1,366	38.94
$47.46 - $58.07	41	3.6	49.00		41	49.00
$58.08 - $62.29	20	5.2	59.69		20	59.69
	8,835				4,527

Summary Of Restricted Stock Units Issued To Officers, Directors And Employees Under 2005 Stock Incentive Plan

The following table summarizes information about RSUs issued under our 2005 Stock Plan:

	Shares		Weighted-Average Grant Date Fair Value
	(in thousands)
Non-vested at September 26, 2014	2,903		$	35.79
Granted	1,322		41.89
Vested	(1,108	)	31.37
Forfeitures	(287	)	32.25
Non-vested at September 25, 2015	2,830		$	40.73

Schedule of Share-Based Payment Fair Value by Vesting Date

The fair value as of the respective vesting dates of RSUs was as follows (in thousands):

	Fiscal Year Ended
	September 25, 2015		September 26, 2014		September 27, 2013
Restricted stock units - vest date fair value	$	45,175	$	40,810	$	27,013

Schedule Of Stock-Based Compensation Expense By Plan

The following two tables separately present stock-based compensation expense both by award type and classification in our consolidated statements of operations (in thousands).

Compensation Expense - By Award Type

	Fiscal Year Ended
	September 25, 2015			September 26, 2014			September 27, 2013
Compensation Expense - By Type
Stock options	$	22,972		$	19,680		$	21,334
Restricted stock units	40,332			42,221			39,644
Employee stock purchase plan	3,765			3,779			3,350
Total stock-based compensation	67,069			65,680			64,328
Benefit from income taxes	(19,606		)	(19,315		)	(19,316		)
Total stock-based compensation, net of tax	$	47,463		$	46,365		$	45,012

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

Compensation Expense - By Income Statement Line Item Classification

	Fiscal Year Ended
	September 25, 2015			September 26, 2014			September 27, 2013
Compensation Expense - By Classification
Cost of products	$	949		$	812		$	765
Cost of services	457			402			387
Research and development	18,682			18,510			17,117
Sales and marketing	24,283			23,236			21,507
General and administrative	22,698			22,720			22,685
Restructuring	—			—			1,867
Total stock-based compensation	67,069			65,680			64,328
Benefit from income taxes	(19,606		)	(19,315		)	(19,316		)
Total stock-based compensation, net of tax	$	47,463		$	46,365		$	45,012

Schedule of Stock Repurchase Activity

The following table provides information regarding share repurchase activity under the program during fiscal 2015:

Quarterly Repurchase Activity	Shares Repurchased	Cost (1)		Average Price Paid Per Share (2)
		(in thousands)
Q1 - Quarter ended December 26, 2014	389,500	$	16,953	$	43.51
Q2 - Quarter ended March 27, 2015	390,000	15,411		39.47
Q3 - Quarter ended June 26, 2015	390,000	15,592		39.96
Q4 - Quarter ended September 25, 2015	1,769,399	59,393		33.55
Total	2,938,899	$	107,349

(1) Cost of share repurchases includes the price paid per share and applicable commissions.

(2) Average price paid per share excludes commission costs.

Schedule of Tax Benefit from Exercise of Options [Table Text Block]

The tax benefit that we recognize from certain exercises of ISOs and shares issued under our ESPP are excluded from the tables above. This benefit was as follows (in thousands):

	Fiscal Year Ended
	September 25, 2015		September 26, 2014		September 27, 2013
Tax benefit - stock option exercises & shares issued under ESPP	$	328	$	538	$	417