Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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Number of shares under non-option equity instrument agreements that were cancelled as a result of occurrence of a terminating event.

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Net number of non-option equity instruments granted to participants.

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Stock-Based Compensation (Performance-Based Restricted Stock Awards Activity) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Weighted Average Grant-Date Fair Value
Allocated share-based compensation expense		$ 5.1
Performance-based restricted stock awards
Number of Performance-Based Award Shares
Outstanding at the beginning of the period (in shares)		1,537,000	1,492,000
Granted (in shares)		245,000	523,000
Released (in shares)		(488,500)	(478,000)
Canceled (in shares)		(131,500)
Outstanding at the end of the period (in shares)	1,162,000	1,162,000	1,537,000	1,492,000
Weighted Average Grant-Date Fair Value
Outstanding at the beginning of the period (in dollars per share)		$ 30.53	$ 29.36
Granted (in dollars per share)		27.54	28.73
Released (in dollars per share)		30.60	24.89
Canceled (in dollars per share)		30.49
Outstanding at the end of the period (in dollars per share)	$ 29.88	$ 29.88	$ 30.53	$ 29.36
Allocated share-based compensation expense	$ 2.9	$ 9.5	$ 15.6	$ 14.4
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition		1 year 6 months 3 days
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	$ 9.2	$ 9.2
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition		1 year 6 months 3 days
Time Based LTIP Awards
Number of Performance-Based Award Shares
Outstanding at the beginning of the period (in shares)		0
Granted (in shares)		85,000
Released (in shares)		0
Canceled (in shares)		(15,000)
Outstanding at the end of the period (in shares)	70,000	70,000	0
Weighted Average Grant-Date Fair Value
Outstanding at the beginning of the period (in dollars per share)			$ 0
Granted (in dollars per share)		$ 48.16
Released (in dollars per share)			$ 0
Canceled (in dollars per share)		48.16
Outstanding at the end of the period (in dollars per share)	$ 48.16	$ 48.16		$ 0
Allocated share-based compensation expense		$ 2.5
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition		2 years 3 days
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	$ 0.5	$ 0.5
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition		2 years 3 days
Performance Based LTIP Awards.
Number of Performance-Based Award Shares
Outstanding at the beginning of the period (in shares)		0
Granted (in shares)		340,000
Released (in shares)		0
Canceled (in shares)		(60,000)
Outstanding at the end of the period (in shares)	280,000	280,000	0
Weighted Average Grant-Date Fair Value
Outstanding at the beginning of the period (in dollars per share)			$ 0
Granted (in dollars per share)		$ 27.06
Released (in dollars per share)			$ 0
Canceled (in dollars per share)		27.06
Outstanding at the end of the period (in dollars per share)	$ 27.06	$ 27.06		$ 0
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition		2 years 3 days
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition		2 years 3 days