Final price paid per share for the purchase of the targeted number of shares, determined by an average market price over a fixed period of time.

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The price paid per share to immediately purchase the targeted number of shares on the date of executing the accelerated share repurchase agreement.

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Amount of cash receipt from (payment to) bank; or stock received from (issuance to) bank in the settlement of the accelerated share repurchase agreement.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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The per share amount of a dividend declared, but not paid, as of the financial reporting date.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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Amount of stock repurchase plan authorized.

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Amount remaining of a stock repurchase plan authorized.

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Number of shares that have been repurchased and retired during the period.

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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.

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Capital Stock (Details) - USD ($)		1 Months Ended
Capital Stock (Details) - USD ($)	Aug. 06, 2021	Sep. 30, 2021	Sep. 24, 2021	Dec. 31, 2020	Feb. 06, 2020
Subsequent Event [Line Items]
Shares of common stock authorized (in shares)		100,000,000		100,000,000.0
Shares issued and outstanding (in shares)		49,100,000		49,500,000
Dividends declared (in dollars per share)			$ 0.20
Maximum shares allowed for issuance (in shares)		2,000,000
Par value (in dollars per share)		$ 10
ASR August 2021
Subsequent Event [Line Items]
Accelerated share repurchased payment	$ 50,000,000
Stock repurchased and retired during period (in shares)	524,315
ASR, initial price per share (in dollars per share)	$ 95.36
ASR September 2021
Subsequent Event [Line Items]
Stock repurchased and retired during period (in shares)		131,384
ASR, final price per share (in dollars per share)		$ 76.25
250 Million Share Repurchase Program
Subsequent Event [Line Items]
Stock repurchase program amount					$ 250,000,000
Stock repurchase program remaining amount		$ 150,000,000