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Earnings Per Share - Narratives (Details) - Convertible Notes, due 2024 - Convertible Debt - $ / shares	Sep. 30, 2020	Dec. 31, 2017
Antidilutive Securities Excluded from Computation of Earnings Per Share
Debt instrument, conversion price (usd per share)	$ 58.725
Maximum
Antidilutive Securities Excluded from Computation of Earnings Per Share
Debt instrument, conversion price (usd per share)		$ 71.775

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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X

- Definition

The price per share of the conversion feature embedded in the debt instrument.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031898-161870

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