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Earnings Per Share - Convertible Notes (Details) - Convertible Notes Payable - 2.625% Convertible Notes Due 2024 | 9 Months Ended
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Sep. 30, 2019 $ / shares
Debt Instrument [Line Items] |
Interest rate, stated percentage | 2.625%
Conversion price (in dollars per share) | $ 88.80
Option indexed to issuer's equity, strike price (in dollars per share) | $ 114.92

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- 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=109500613&loc=SL6031898-161870 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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