XML 88 R68.htm IDEA: XBRL DOCUMENT v3.19.2
Share-Based Compensation - Employee Stock Purchase Plan (Details) - 2011 Plan - Employee Stock Purchase Plan - Common Stock
6 Months Ended
Jun. 29, 2019
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of shares available for grant (in shares) 798,288
Date Of Purchase  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Purchase price per share fair market value percentage 95.00%
Date Of Grant  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of shares authorized (in shares) 1,500,000