Stock-Based Compensation - Schedule of Grants and Weighted-Average Grant-Date Fair Values (Details) - $ / shares	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2020
Stock options
Granted
Stock options (in shares)	1,050	43,770
Weighted-Average Grant-Date Fair Value
Stock options (in dollars per shares)	$ 39.10	$ 52.05
RSUs
Granted
Other than stock options (in shares)	3,380	167,540
Weighted-Average Grant-Date Fair Value
Other than stock options (in dollars per share)	$ 173.56	$ 210.02
PSUs
Granted
Other than stock options (in shares)	1,930	78,720
Weighted-Average Grant-Date Fair Value
Other than stock options (in dollars per share)	$ 184.47	$ 212.67

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

Net number of share options (or share units) granted during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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