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Stock-Based Compensation (Details) - USD ($)
$ / shares in Units, $ in Millions
6 Months Ended
Jul. 03, 2016
May 12, 2016
May 11, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares available for grant 1,612,198    
Shares of common stock reserved for issuance 3,249,379    
Restricted Stock Units Nonvested and Expected to Vest      
Total compensation cost not yet recognized - period for recognition 2 years    
Compensation not yet recognized $ 58.3    
Stock Options [Member]      
Options Outstanding and Exercisable:      
Options outstanding, number 873,014    
Options exercisable, number 435,588    
Options outstanding, weighted average exercise price $ 72.04    
Options exercisable, weighted average exercise price $ 64.59    
Options outstanding, aggregate intrinsic value $ 30.5    
Options exercisable, aggregate intrinsic value $ 18.5    
Options outstanding, weighted average remaining contractual term (in years) 4 years 8 months    
Options exercisable, weighted average remaining contractual term (in years) 4 years    
Restricted Stock Units [Member]      
Restricted Stock Units Nonvested and Expected to Vest      
Restricted stock units nonvested, number 764,167    
Restricted stock units expected to vest, number 651,455    
Restricted stock units nonvested, weighted average grant date per share fair value $ 81.45    
Restricted stock units expected to vest, weighted average grant date per share fair value $ 81.24    
Restricted stock units nonvested, aggregate intrinsic value $ 81.8    
Restricted stock units expected to vest, aggregate intrinsic value $ 69.7    
Restricted stock units nonvested, weighted average remaining term to vest (in years) 1 year 11 months    
Restricted stock units expected to vest, weighted average remaining term to vest (in years) 1 year 11 months    
Employee Stock Purchase Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares authorized 4,450,000    
Stock Incentive Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares authorized   11,750,000 11,500,000