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Equity , Additional Information Related To ESPP (Details) - ESPP shares in Millions | 12 Months Ended
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Dec. 31, 2019 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Shares issued under the ESPP (in shares) | shares | 0.3
Weighted-average price per share issued (in dollars per share) | $ / shares | $ 64.79

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