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Stock-Based Compensation and Other Stock Plans - Additional Information (Detail) (USD $)
In Millions, except Share data, unless otherwise specified
 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended 3 Months Ended 9 Months Ended
Sep. 28, 2013
Sep. 29, 2012
Sep. 28, 2013
Sep. 29, 2012
Sep. 28, 2013
2011 Incentive Stock and Awards Plan [Member]
Sep. 28, 2013
Employees Stock Purchase Plan [Member]
Sep. 29, 2012
Employees Stock Purchase Plan [Member]
Sep. 28, 2013
Employees Stock Purchase Plan [Member]
Sep. 29, 2012
Employees Stock Purchase Plan [Member]
Sep. 28, 2013
Franchisee Stock Purchase Plan [Member]
Sep. 29, 2012
Franchisee Stock Purchase Plan [Member]
Sep. 28, 2013
Franchisee Stock Purchase Plan [Member]
Sep. 29, 2012
Franchisee Stock Purchase Plan [Member]
Sep. 28, 2013
Stock Option [Member]
Sep. 29, 2012
Stock Option [Member]
Sep. 28, 2013
Stock Option [Member]
Sep. 29, 2012
Stock Option [Member]
Sep. 28, 2013
Performance Awards [Member]
Sep. 29, 2012
Performance Awards [Member]
Sep. 28, 2013
Restricted Stock Units [Member]
Dec. 29, 2012
Restricted Stock Units [Member]
Dec. 31, 2011
Restricted Stock Units [Member]
Sep. 28, 2013
Stock Appreciation Rights [Member]
Sep. 29, 2012
Stock Appreciation Rights [Member]
Sep. 28, 2013
Stock Appreciation Rights [Member]
Sep. 29, 2012
Stock Appreciation Rights [Member]
Sep. 28, 2013
Stock-Settled SARs [Member]
Sep. 28, 2013
Restricted Stock Units [Member]
2011 Incentive Stock and Awards Plan [Member]
Board of Directors [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]                                                        
Number of shares available for future grants         2,850,014                                              
Net stock-based expense $ 9.4 $ 8.9 $ 28.9 $ 25.0                                                
Cash received from stock purchase and option plan exercises 1.8 17.8 27.9 40.3                                                
Tax benefit realized from exercise of share-based payment 0.7 3.8 11.2 8.8                                                
Weighted average contractual term (in years)                               10 years   3 years             10 years      
Weighted-average grant date fair value                               $ 17.36 $ 15.46                      
Aggregate intrinsic value exercised                           1.7 10.1 12.7 18.8                      
Fair value of stock options vested                               7.9 5.7                      
Unrecognized compensation cost related to non-vested award                           14.1   14.1   15.9         4.6   4.6   1.7  
Cost expected to be recognized over weighted-average period, in years                               2 years   1 year 8 months 12 days             1 year 1 month 6 days   2 years 4 months 24 days  
Maximum stock percentage to be awarded                                   100.00%                    
Performance period for awards granted (in years)                                   3 years   1 year                
Awards granted vesting period (in years)                                       2 years                
Weighted-average grant date fair value granted                                   $ 77.31 $ 60.00           $ 23.89   $ 17.47  
Performance awards shares paid out                                   213,459 53,990                  
Shares granted                                         95,047 159,970     4,000   122,000 13,437
Units granted vesting date                                         2014 2013            
Shares Vested                                         1,614 1,614     113,000      
Intrinsic value of stock exercised                                             0.9 1.0 3.6 3.0    
Fair value of stock vested                                                 4.8 3.2    
Number of shares issued               93,442 33,596     105,406 48,819                              
Number of shares reserved for issuance           921,624   921,624   304,839   304,839                                
Employee Contributions For Purchase Of Common Stock               1.0       1.6                                
Stock based compensation expense           $ 0.1 $ 0.1 $ 2.4 $ 0.1 $ 0.2 $ 0.2 $ 2.7 $ 0.2                              
Employee stock purchase plan, description               The purchase price of the company's common stock to participants is the lesser of the mean of the high and low price of the stock on the beginning date (May 15) or ending date (the following May 14) of each plan year                                        
Franchisee stock purchase plan, description                       All franchisees in the United States and Canada are eligible to participate in a franchisee stock purchase plan. The purchase price of the company's common stock to participants is the lesser of the mean of the high and low price of the stock on the beginning date (May 15) or ending date (the following May 14) of each plan year