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Shareholders' Equity and Other Comprehensive Income (Loss) (Narrative) (Details) - Common Stock $ / shares in Units, shares in Thousands, $ in Millions | 9 Months Ended
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Sep. 30, 2020 USD ($) $ / shares shares
Class of Stock [Line Items] |
Share repurchased | $ | $ 16.2
Shares repurchased (in shares) | shares | 450
Share repurchased (in dollars per share) | $ / shares | $ 36.08

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