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Stock-based Compensation (Summary of Stock Option Activity) (Details) - $ / shares	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Shares
Outstanding, beginning of period, Shares	1,137,042	1,080,852
Granted, Shares	150,731	135,019
Exercised, Shares	(131,891)	(40,544)
Forfeited or cancelled, Shares	(2,642)	(22,184)
Outstanding, end of period, Shares	1,153,240	1,153,143
Weighted Average Exercise Price
Outstanding, beginning of period, Weighted Average Exercise Price	$ 111.57	$ 107.07
Granted, Weighted Average Exercise Price	134.26	140.01
Exercised, Weighted Average Exercise Price	88.87	92.39
Forfeited or cancelled, Weighted Average Exercise Price	134.99	125.15
Outstanding, end of period, Weighted Average Exercise Price	$ 117.08	$ 111.09

X

- Definition

For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

Weighted average price of options that were either forfeited or expired.

+ References

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-Topic 718
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-Section 50
-Paragraph 2
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(01)
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- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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- Definition

Weighted average price at which option holders acquired shares when converting their stock options into shares.

+ References

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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

+ References

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Number of share options (or share units) exercised during the current period.

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