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Stockholders' Equity And Stock-Based Compensation (Tables) | 6 Months Ended
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Mar. 27, 2015
Stockholders' Equity And Stock-Based Compensation [Abstract] |
Summary Of Stock Options Issued To Officers, Directors, And Employees Under 2000 Stock Incentive Plan And 2005 Stock Plan | The following table summarizes information about stock options issued under our 2000 Stock Incentive Plan and 2005 Stock Plan:
| 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 | 2,418 |  | 42.80 |  |  |
Exercises | (298 | ) | 28.76 |  |  |
Forfeitures and cancellations | (498 | ) | 36.40 |  |  |
Options outstanding at March 27, 2015 | 9,233 |  | 35.49 |  | 7.6 | $ | 38,754 |
Options vested and expected to vest at March 27, 2015 | 8,719 |  | 35.11 |  | 7.5 | 38,542 |
Options exercisable at March 27, 2015 | 4,180 |  | $ | 31.66 |  | 6.1 | 29,167 |
(1) | Aggregate intrinsic value is based on the closing price of our common stock on March 27, 2015 of $38.10 and excludes the impact of options that were not in-the-money.
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 | 1,180 |  | 42.49 |
Vested | (815 | ) | 36.41 |
Forfeitures | (173 | ) | 30.60 |
Non-vested at March 27, 2015 | 3,095 |  | $ | 38.47 |
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 Quarter Ended |  | Fiscal Year-To-Date Ended
| March 27, 2015 | March 28, 2014 |  | March 27, 2015 | March 28, 2014
Expected term (in years) | 5.21 |  | 4.58 |  |  | 4.60 |  | 4.58 |
Risk-free interest rate | 1.6 | % | 1.5 | % |  | 1.5 | % | 1.4 | %
Expected stock price volatility | 29.5 | % | 32.4 | % |  | 29.7 | % | 32.0 | %
Dividend yield | 1.0 | % | — | % |  | 0.9 | % | — | %
Schedule Of Stock-Based Compensation Expense By Plan |
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs | Expense - By Award Type
| Fiscal Quarter Ended |  | Fiscal Year-To-Date Ended
| March 27, 2015 | March 28, 2014 |  | March 27, 2015 | March 28, 2014
Compensation Expense - By Type |  |  |  |  |
Stock options | $ | 5,729 |  | $ | 5,387 |  |  | $ | 12,012 |  | $ | 9,257 |
Restricted stock units | 10,077 |  | 11,565 |  |  | 20,292 |  | 21,822 |
Employee stock purchase plan | 861 |  | 801 |  |  | 2,205 |  | 1,728 |
Total stock-based compensation | 16,667 |  | 17,753 |  |  | 34,509 |  | 32,807 |
Benefit from income taxes | (4,890 | ) | (5,290 | ) |  | (10,041 | ) | (9,686 | )
Total stock-based compensation, net of tax | $ | 11,777 |  | $ | 12,463 |  |  | $ | 24,468 |  | $ | 23,121 |
Expense - By Income Statement Line Item Classification
| Fiscal Quarter Ended |  | Fiscal Year-To-Date Ended
| March 27, 2015 | March 28, 2014 |  | March 27, 2015 | March 28, 2014
Compensation Expense - By Classification |  |  |  |
Cost of products | $ | 224 |  | $ | 217 |  |  | $ | 470 |  | $ | 407 |
Cost of services | 115 |  | 113 |  |  | 237 |  | 200 |
Research and development | 4,938 |  | 4,889 |  |  | 10,212 |  | 9,196 |
Sales and marketing | 5,576 |  | 6,332 |  |  | 11,485 |  | 11,357 |
General and administrative | 5,814 |  | 6,202 |  |  | 12,105 |  | 11,647 |
Total stock-based compensation | 16,667 |  | 17,753 |  |  | 34,509 |  | 32,807 |
Benefit from income taxes | (4,890 | ) | (5,290 | ) |  | (10,041 | ) | (9,686 | )
Total stock-based compensation, net of tax | $ | 11,777 |  | $ | 12,463 |  |  | $ | 24,468 |  | $ | 23,121 |
Schedule of Tax Benefit from Exercise of Options | This benefit was as follows (in thousands):
| Fiscal Quarter Ended |  | Fiscal Year-To-Date Ended
| March 27, 2015 | March 28, 2014 |  | March 27, 2015 | March 28, 2014
Tax benefit - stock option exercises & shares issued under ESPP | $ | 19 |  | $ | 135 |  |  | $ | 187 |  | $ | 310 |
Schedule of Stock Repurchase Authorizations | 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 March 27, 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 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 |
Total | 779,500 |  | $ | 32,364 |  |
(1) | Cost of share repurchases includes the price paid per share and applicable commissions.
(2) | Average price paid per share excludes commission costs.
Dividends Declared | In October 2014, our Board of Directors initiated a recurring quarterly dividend program for our stockholders. The following table summarizes the dividend payments made under the program:
Fiscal Period | Declaration Date | Record Date | Payment Date | Cash Dividend Per Common Share | Dividend Payment
Fiscal 2014 |  |  |  |  |
Q4 - Quarter ended September 26, 2014 | October 21, 2014 | November 3, 2014 | November 20, 2014 | $ | 0.10 |  | $ | 10.2 | million
Fiscal 2015 |  |  |  |  |
Q1 - Quarter ended December 26, 2014 | January 19, 2015 | February 2, 2015 | February 10, 2015 | $ | 0.10 |  | $ | 10.3 | million
Q2 - Quarter ended March 27, 2015 | April 20, 2015 | May 4, 2015 | May 12, 2015 | $ | 0.10 |  | $ | 10.3 | million (1)
(1) | The amount of the dividend payment is estimated based on the number of shares of our Class A and Class B common stock that we estimate will be outstanding as of the Record Date.

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