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Shareholders' Equity (Detail) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Stockholders' Equity [Abstract]
Shares outstanding at beginning of year (in shares)	44,549	44,368	44,248
Treasury shares issued for:
Restricted stock awards (in shares)	245	181	110
Employee stock options exercised (in shares)	0	0	10
Shares outstanding at end of year (in shares)	44,794	44,549	44,368

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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

Number of shares issued which are neither cancelled nor held in the treasury.

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- Definition

Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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Number of share options (or share units) exercised during the current period.

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