XML 55 R44.htm IDEA: XBRL DOCUMENT v3.19.1
Stock-Based Compensation Plans (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2019
Apr. 01, 2018
Dec. 29, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock option compensation expense $ 8.9 $ 4.9  
Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Weighted average grant date fair value (in USD per share) $ 72.00    
Performance Shares      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares issued (in shares) 8,586 6,481  
Shares available for grant (in shares) 15,578    
Performance measurement period   3 years  
Employee | Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period over which employee stock option grants are evenly expensed 3 years    
Scenario, Forecast      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected stock option compensation expense     $ 26.6
Maximum | Performance Shares      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares available for grant (in shares) 58,729