Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Schedule Of Weighted Average Assumptions For Restricted Stock Units) (Details)

v3.19.2
Stock-Based Compensation (Schedule Of Weighted Average Assumptions For Restricted Stock Units) (Details)
6 Months Ended
Jun. 30, 2019
$ / shares
Restricted Stock Units [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value $ 95.47