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Shareholders' Equity (Schedule Of Shares Reserved For Future Issuance) (Details) | Oct. 03, 2020 shares
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Share-based Compensation Arrangement by Share-based Payment Award |
Class A shares and Class B shares reserved for issuance | 12,200,444
Conversion Of Class B To Class A Shares |
Share-based Compensation Arrangement by Share-based Payment Award |
Class A shares and Class B shares reserved for issuance | 7,480,484
Employee Stock Purchase Plan |
Share-based Compensation Arrangement by Share-based Payment Award |
Class A shares and Class B shares reserved for issuance | 1,747,015
2014 Long Term Incentive Plan |
Share-based Compensation Arrangement by Share-based Payment Award |
Class A shares and Class B shares reserved for issuance | 1,806,390
2008 Stock Appreciation Rights Plan |
Share-based Compensation Arrangement by Share-based Payment Award |
Class A shares and Class B shares reserved for issuance | 1,166,555

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