v2.3.0.15
Stockholders' Equity And Stock-Based Compensation (Narrative) (Details) (USD $)
0 Months Ended12 Months Ended0 Months Ended12 Months Ended12 Months Ended
Feb. 15, 2011
Feb. 15, 2011
Feb. 16, 2010
Feb. 16, 2010
Sep. 30, 2011
Sep. 24, 2010
Sep. 25, 2009
Sep. 30, 2011
Stock Based Compensation [Member]
Sep. 24, 2010
Stock Based Compensation [Member]
Sep. 25, 2009
Stock Based Compensation [Member]
Oct. 01, 2010
Class B Common Stock [Member]
2000 Stock Incentive Plan. [Member]
Sep. 30, 2011
Class B Common Stock [Member]
2000 Stock Incentive Plan. [Member]
Sep. 30, 2011
2000 Stock Incentive Plan. [Member]
Sep. 30, 2011
Class A Common Stock [Member]
2005 Stock Plan. [Member]
Sep. 30, 2011
Class A Common Stock [Member]
Awards Granted Under 2005 Stock Plan Prior To February 2011 [Member]
Sep. 30, 2011
Class A Common Stock [Member]
Awards Granted Under 2005 Stock Plan From February 2011 [Member]
Sep. 30, 2011
Stock Appreciation Rights (SARs) [Member]
Sep. 24, 2010
Stock Appreciation Rights (SARs) [Member]
Sep. 25, 2009
Stock Appreciation Rights (SARs) [Member]
Sep. 30, 2011
Restricted Stock Units [Member]
Sep. 24, 2010
Restricted Stock Units [Member]
Sep. 25, 2009
Restricted Stock Units [Member]
Sep. 30, 2011
Restricted Stock Units Granted To Directors Prior To November 2010 [Member]
Sep. 30, 2011
Awards Granted After November 2010 To New Directors [Member]
Sep. 30, 2011
Awards Granted From November 2010 To Ongoing Directors [Member]
Sep. 30, 2011
Class A Common Stock [Member]
Employee Stock Purchase Plan [Member]
Sep. 30, 2011
Employee Stock Purchase Plan [Member]
Sep. 24, 2010
Employee Stock Purchase Plan [Member]
Sep. 25, 2009
Employee Stock Purchase Plan [Member]
Sep. 30, 2011
Executive Chairman Of The Board Of Directors [Member]
Sep. 24, 2010
Executive Chairman Of The Board Of Directors [Member]
Sep. 25, 2009
Executive Chairman Of The Board Of Directors [Member]
Sep. 30, 2011
Employee Stock [Member]
Sep. 30, 2011
Employee Stock Option [Member]
Options Granted Prior To June 2008 [Member]
months
Sep. 30, 2011
Employee Stock Option [Member]
Options Granted From June 2008 [Member]
Sep. 30, 2011
Class A Common Stock [Member]
Sep. 30, 2011
Class B Common Stock [Member]
Stockholders' Equity And Stock-Based Compensation [Line Items]                                     
Common stock, shares authorized                                   500,000,000500,000,000
Common stock, shares issued                                   51,860,54657,559,554
Common stock, shares outstanding                                   51,860,54657,559,554
Shares authorized under plan          015,100,000 21,000,000                       
Options granted under the plan    1,628,000     0                          
Options outstanding to purchase    5,801,0005,625,000     300,000 5,500,000                       
Remaining weighted-average contractual life    7.5      2.6 7.7                       
Terms for issuance of stock              any shares subject to an award with a per share price less than the fair market value of our Class A common stock on the date of grant and any shares subject to an outstanding restricted stock unit award will be counted against the authorized share reserve as two shares for every one share subject to the award, and if returned to the 2005 Stock Plan, such shares will be counted as two shares for every one share returnedany shares subject to an award with a per share price less than the fair market value of our Class A common stock on the date of grant and any shares subject to an outstanding restricted stock unit award will be counted against the authorized share reserve as 1.6 shares for every one share subject to the award, and if returned to the 2005 Stock Plan, such shares will be counted as 1.6 shares for every one share returned                     
Options vested and exercisable             2,500,000                       
Capitalized stock-based compensation expense    $ 635,000$ 827,000                               
Stock-based compensation capitalized to property, plant and equipment    600,000800,000                               
Recognized tax benefit from the exercise of ISO and ESPP    300,0001,200,000700,000                              
Options vesting period            four      four  threetwoone        four   
Percentage of vesting per year                       50.00%             
Options expiration period, years            ten                    1010  
Termination date of stock incentive plan            October 1, 2010                        
Expiration period after termination of service, months                                 33  
Percentage of stock option becoming exercisable subjected to date of grant                                  25.00%  
Options maximum vesting period, months                                  36  
Grants to Executive Chairman of the Board of Directors 12,443 16,651                                 
Fair value of each grant200,000 300,000                                  
Share based compensation expense    43,665,000[1]28,815,000[1]22,422,000[1]         (304,000)[1]447,000[1]45,000[1]18,339,000[1]9,560,000[1]5,205,000[1]    842,000[1]673,000[1]529,000[1]        
Share based compensation expense                             300,000100,000100,000     
Estimated forfeiture rate based on evaluation of historical forfeitures       $ 6.10%$ 5.69%$ 5.13%                           
Stock options expected to vest       52,700,000           37,600,000                 
Employee stock options expected to be recognized over a weighted-average period       2.7           2.8                 
Year end stock price    $ 27.44                                
Restricted stock units granted during period    484,000                                
Stock option outstanding are vested and exercisable             2,500,000                       
Employee stock options expected to be recognized over a weighted-average period    $ 7.4                                
Percentage of compensation withheld by employees to purchase common stock                          10.00%          
Maximum value of common stock available for eligible employees                         25,000           
Maximum number of common stock available for eligible employees                                1,000    
Common stock purchase price determined over percentage of closing price                          15.00%          
Accrued liabilities included in employee withholdings.    $ 117,035,000$ 144,608,000                    $ 2,400,000          
[1]We also recognized $0.7 million, $1.2 million, and $0.3 million in fiscal 2009, 2010, and 2011, respectively, of tax benefit from certain exercises of incentive stock options and shares issued under our ESPP, which is not included in the table above.