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Earnings (Loss) Per Share (Earnings Per Share) (Details) - $ / shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average number of common shares outstanding, basic (in shares)	51,837	53,990	53,205	54,023
Weighted average number of common shares outstanding, diluted (in shares)	52,006	54,124	53,339	54,151
Effect of dilutive shares on earnings (loss) per share (in usd per share)	$ 0	$ 0	$ 0	$ 0
Restricted Share Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dilutive effect of securities (in shares)	139	117	110	112
Performance Share Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dilutive effect of securities (in shares)	30	17	24	16

X

- Definition

The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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