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Equity Incentive Plans and Stock-Based Compensation - Repurchase Agreement - USD ($) shares in Millions, $ in Millions		12 Months Ended
	May 17, 2020	Dec. 31, 2020
Share-based Payment Arrangement [Abstract]
Treasury Stock, Shares, Acquired	2.2	2.7
Treasury Stock, Value, Acquired, Cost Method	$ 13.3	$ 19.2

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Number of shares that have been repurchased during the period and are being held in treasury.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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