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Subsequent Events (Details) - Common Shares - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	9 Months Ended
	Oct. 21, 2021	Sep. 30, 2021
Subsequent Event [Line Items]
Share repurchase program, shares repurchased (in shares)		4,502,448
Repurchase of shares		$ 704.5
Share repurchase program, price per share (in dollars per share)		$ 156.46
Subsequent Event
Subsequent Event [Line Items]
Share repurchase program, shares repurchased (in shares)	517,811
Repurchase of shares	$ 75.3
Share repurchase program, price per share (in dollars per share)	$ 145.45

X

- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

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X

- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ 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
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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

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- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

+ References

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-Name Accounting Standards Codification
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