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Equity (Schedule of Common Stock Reserved for Future Issuances) (Details)
Mar. 31, 2020
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise of outstanding stock options (in shares) 46,342
Purchases under the employee stock purchase plan (in shares) 428,349
Issuance of stock-based awards under the Equity Plans (in shares) 822,155
Purchases under the officer and director share purchase plan (in shares) 88,741
Total reserved (in shares) 4,997,014
Restricted stock units and awards  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unvested stock units (in shares) 1,799,427
Performance Stock Units  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unvested award potential, percentage 200.00%
Unvested performance stock units (in shares) 1,812,000