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Shareholders' Equity - Additional Information (Detail) (USD $)
 12 Months Ended 1 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended
Dec. 25, 2011
Hour
Dec. 26, 2010
Dec. 27, 2009
Dec. 25, 2011
First 5 Percent of Employee Contributions
Jul. 31, 2008
First 6 Percent of Employee Contributions
Feb. 29, 2012
Repurchase of Equity
Maximum
Dec. 25, 2011
Stock options and other
Year
Dec. 25, 2011
Stock options and other
Employee
May 04, 2010
Stock options and other
Employee
Dec. 25, 2011
Stock options and other
Employee
Options Issued from 1996 through November 2004
Dec. 25, 2011
Stock options and other
Employee
Options Issued in December 2004 and Thereafter
Dec. 25, 2011
Stock options and other
Employee
Minimum
Dec. 25, 2011
Stock options and other
Director
Dec. 26, 2010
Stock options and other
Director
Dec. 27, 2009
Stock options and other
Director
Dec. 25, 2011
Stock options and other
Director
Retainer Fees
Dec. 25, 2011
Stock options and other
Director
Long-Term Awards
Dec. 31, 2012
Performance Based Awards
Stock Based Award [Member]
Dec. 25, 2011
Restricted Stock Units (RSUs)
Employee
Dec. 25, 2011
Restricted Stock
Employee
Dec. 25, 2011
Restricted Stock
Director
Dec. 26, 2010
Restricted Stock
Director
Dec. 27, 2009
Restricted Stock
Director
Dec. 25, 2011
Restricted Stock
Director
Retainer Fees
Dec. 25, 2011
Restricted Stock
Director
Long-Term Awards
Dec. 25, 2011
Performance Shares
Dec. 25, 2011
Performance Units and Cash-Based Awards
Dec. 25, 2011
Restricted Stock and Restricted Stock Units
Year
Dec. 26, 2010
Restricted Stock and Restricted Stock Units
Dec. 27, 2009
Restricted Stock and Restricted Stock Units
Stockholders Equity Note [Line Items]                                                            
Stock options outstanding excluded from calculation of diluted earnings per share 18,300,000 19,600,000 22,300,000                                                      
Stock options exercised 496,749 332,060 44,250                                                      
Cash received from exercise of stock options $ 2,352,000 $ 1,978,000 $ 308,000                                                      
Intrinsic value of options exercised 3,900,000 3,100,000 400,000                                                      
Tax benefit realized from option exercises 1,300,000 1,236,000 94,000                                                      
Compensation expense related to 401(k) contributions 49,600,000 46,000,000 59,800,000                                                      
Value of shares to be repurchased           300,000,000                                                
Shares repurchased under share repurchase program, shares 4,900,000                                                          
Shares repurchased under share repurchase program, amount 53,037,000                                                          
Shares reserved for issuance                 60,000,000                                          
Award vesting period                               1 year 4 years 3 years 4 years         1 year 3 years          
Number of shares of common stock received for each RSU granted                                     1                      
Maximum number of awards that can be granted to any participant in any fiscal year               1,000,000                     500,000 500,000           500,000        
Options to purchase common stock, purchase price as percentage of fair market value                       100.00%                                    
Options exercise period                   10 years 8 years                                      
Options exercisable percentage per year               25.00%                                            
Stock options awarded 1,333,597 3,451,481 3,171,867                   61,897 72,681 144,667                              
Shares awarded                                         27,523 21,062 95,543         175,023 1,934,351 1,714,633
Maximum number of awards that can be granted to any participant in any fiscal year                                                     10,000,000      
Unrecognized compensation cost related to non-vested share-based compensation             9,800,000                                         23,100,000    
Unrecognized compensation cost related to non-vested share-based compensation for options, recognition period (in years)             2.7                                         2.7    
Minimum number of employee working hours required to be eligible to participate in the 401(k) Savings Plan (in hours) 1,000                                                          
401(k) employee maximum matching contribution 50.00%                                                          
401(k) employer matching contribution       100.00% 50.00%                                                  
Accumulated other comprehensive loss, pension, retiree medical and life insurance liabilities 996,000,000 762,000,000                                                        
Accumulated other comprehensive loss, foreign currency translation gains 400,000,000 395,000,000                                                        
Accumulated other comprehensive loss, other   $ 2,000,000