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Stock-Based Compensation - Weighted Average Fair Value (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jul. 03, 2018
Jul. 04, 2017
Jul. 03, 2018
Jul. 04, 2017
Jan. 02, 2018
Stock Options          
Stock-Based Compensation          
Weighted average fair value at the grant date for options issued (in dollars per share) $ 12.81 $ 12.86      
Weighted average assumptions under Black-Scholes valuation model          
Expected option term 6 years 10 months 24 days 6 years 10 months 24 days      
Expected stock price volatility (as a percent) 26.40% 23.70%      
Risk-free interest rate (as a percent) 2.80% 2.00%      
Dividend yield (as a percent) 2.20% 1.70%      
Stock option activity, Shares          
Outstanding at beginning of year (in shares)     1,741    
Granted (in shares)     381    
Exercised (in shares)     (211)    
Forfeited or cancelled (in shares)     (37)    
Outstanding at end of year (in shares) 1,874   1,874   1,741
Exercisable at end of year (in shares) 1,085   1,085    
Weighted Average Exercise Price          
Outstanding at beginning of year (in dollars per share)     $ 42.25    
Granted (in dollars per share)     47.22    
Exercised (in dollars per share)     30.03    
Forfeited or cancelled (in dollars per share)     51.71    
Outstanding at end of year (in dollars per share) $ 44.43   44.43   $ 42.25
Exercisable at end of year (in dollars per share) $ 40.12   $ 40.12    
Weighted Average Remaining Contractual Term (In years)          
Weighted Average Remaining Contractual Term (In years)     4 years 6 months   4 years
Exercisable at end of year (In years)     2 years 10 months 24 days    
Aggregate Intrinsic Value          
Outstanding at beginning of year     $ 14,766    
Outstanding at end of year $ 23,119   23,119   $ 14,766
Exercisable at end of year 17,718   17,718    
Total intrinsic value of options exercised 4,300 $ 3,400 4,700 $ 10,000  
Unrecognized Stock-based Compensation Expense          
Total unrecognized stock-based compensation expenses related to unvested stock options, restricted shares and restricted share units $ 8,300   $ 8,300    
Expected weighted average period for recognition of compensation expense related to unvested stock option     3 years 6 months    
Restricted Shares and Restricted Share Units          
Restricted Shares and Restricted Share Units, Shares          
Outstanding at beginning of year (in shares)     1,694    
Granted (in shares)     391    
Vested (in shares)     (282)    
Forfeited (in shares)     (87)    
Outstanding at end of year (in shares) 1,716   1,716   1,694
Fair value of shares vested $ 1,400 $ 2,000 $ 11,800 $ 12,900  
Weighted Average Fair Value          
Outstanding at beginning of year (in dollars per share)     $ 46.38    
Granted (in dollars per share)   $ 62.50 47.73    
Vested (in dollars per share)     41.83    
Forfeited (in dollars per share)     49.37    
Outstanding at end of year (in dollars per share) $ 47.36   $ 47.36   $ 46.38
Unrecognized Stock-based Compensation Expense          
Total unrecognized stock-based compensation expenses related to unvested stock options, restricted shares and restricted share units $ 36,000   $ 36,000    
Expected weighted average period for recognition of compensation expense related to unvested stock option     3 years