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Debt - Capped Call Transactions (Details) - Convertible Senior Notes - Capped Calls - USD ($) $ / shares in Units, $ in Millions	1 Months Ended
	Mar. 31, 2021	Jun. 30, 2020
2026 Notes
Debt Instrument [Line Items]
Cap price (in dollars per share)	$ 37.5375
Taxes paid related to net share settlement of equity awards	$ 18.5
2025 Notes
Debt Instrument [Line Items]
Cap price (in dollars per share)		$ 17.1520
Taxes paid related to net share settlement of equity awards		$ 15.6
Strike price (in dollars per share)		$ 12.60

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- Definition

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- Definition

Exercise or strike price stated in the contract for options indexed to the issuer's equity shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 40
-Section 50
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