Stock-Based Compensation (Stock Appreciation Rights) (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended					12 Months Ended
	Jun. 30, 2025	Mar. 31, 2025	Mar. 31, 2024	May 31, 2023	Mar. 31, 2023	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Number of Shares
Stock appreciation rights exercised (in shares)						(12,177)	(603)
Weighted Average Exercise Price
Options vested, outstanding (in shares)						1,753,633
Options non-vested (in shares)						1,238,201
Weighted Average Exercise Price Per Share (in dollars per share)						$ 9.59
Weighted-Average Remaining Contractual Life in Years						5 years 11 months 23 days
Number of exercisable options (in shares)						1,753,633
Weighted average exercise price per share (in dollars per share)						$ 11.50
$5.02 - $13.70
Weighted Average Exercise Price
Options vested, outstanding (in shares)						1,430,025
Options non-vested (in shares)						1,238,201
Weighted Average Exercise Price Per Share (in dollars per share)						$ 8.30
Weighted-Average Remaining Contractual Life in Years						6 years 3 months 10 days
Number of exercisable options (in shares)						1,430,025
Weighted average exercise price per share (in dollars per share)						$ 9.52
$18.58 - $22.51
Weighted Average Exercise Price
Options vested, outstanding (in shares)						323,608
Options non-vested (in shares)						0
Weighted Average Exercise Price Per Share (in dollars per share)						$ 20.25
Weighted-Average Remaining Contractual Life in Years						3 years 6 months 3 days
Number of exercisable options (in shares)						323,608
Weighted average exercise price per share (in dollars per share)						$ 20.25
Stock Appreciation Rights (SARs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)						3 years
Expiration period (in years)						10 years
Fair value assumptions
Risk-free interest rate (as a percent)	4.18%	4.02%	4.04%	3.48%	4.20%
Dividend yield (as a percent)	0.00%	0.00%	0.00%	0.00%	0.00%
Expected life	6 years	6 years	6 years	6 years	6 years
Volatility (as a percent)	65.70%	65.10%	63.40%	63.00%	62.60%
SAR grant price (usd per share)	$ 8.20	$ 6.03	$ 8.20	$ 9.31	$ 7.45
Number of Shares
Outstanding at beginning of period (in shares)						2,618,218
Granted (in shares)						745,300
Stock appreciation rights exercised (in shares)						(80,979)
Forfeited (in shares)						(290,705)
Outstanding at end of period (in shares)						2,991,834	2,618,218
Weighted Average Exercise Price
Outstanding at beginning of period (usd per share)						$ 11.20
Granted (usd per share)						6.13
Exercised (usd per share)						7.86
Forfeited/Expired (usd per share)						15.69
Outstanding at end of period						$ 9.59	$ 11.20
Outstanding - Aggregate Intrinsic Value						$ 25.7	$ 0.4
Total intrinsic value of SARs						0.8	0.0	$ 0.0
Recognized stock-based compensation expense						3.6	$ 2.1	1.5
Unrecognized stock-based compensation expense						$ 1.9
Unrecognized stock-based compensation expense, period of recognition						1 year 9 months 18 days
Unvested activity
Nonvested at the beginning of the period (in shares)						928,964
Granted (in shares)						745,300
Vested (in shares)						(407,647)
Forfeited						(28,416)
Nonvested at the end of the period (in shares)						1,238,201	928,964
Weighted Average Grant Date Fair Value
Nonvested at the beginning of the period (in dollars per share)						$ 5.07
Granted (in dollars per share)	$ 5.17	$ 3.77	$ 5.04	$ 5.64	$ 4.56	3.83
Vested (in dollars per share)						5.26
Forfeited (in dollars per share)						4.88
Nonvested at the end of the period (in dollars per share)						4.27	$ 5.07
Stock Appreciation Rights (SARs) | $5.02 - $13.70
Weighted Average Exercise Price
Range of Exercisable Prices, low end of range (in dollars per share)						5.02
Range of Exercisable Prices, high end of range (in dollars per share)						13.70
Stock Appreciation Rights (SARs) | $18.58 - $22.51
Weighted Average Exercise Price
Range of Exercisable Prices, low end of range (in dollars per share)						18.58
Range of Exercisable Prices, high end of range (in dollars per share)						$ 22.51
Performance Shares [Member]
Fair value assumptions
Risk-free interest rate (as a percent)		3.91%	4.26%	3.75%	4.67%
Dividend yield (as a percent)		0.00%	0.00%	0.00%	0.00%
Expected life		2 years 9 months 29 days	2 years 9 months 21 days	2 years 7 months 24 days	2 years 9 months 25 days
Weighted Average Exercise Price
Recognized stock-based compensation expense						$ 21.8	$ 8.3	5.9
Unrecognized stock-based compensation expense						$ 7.4
Unrecognized stock-based compensation expense, period of recognition						1 year 10 months 24 days
Unvested activity
Nonvested at the beginning of the period (in shares)						1,457,388
Granted (in shares)		1,041,593	778,702	29,337	758,965	1,041,593
Forfeited						(83,839)
Nonvested at the end of the period (in shares)						842,518	1,457,388
Weighted Average Grant Date Fair Value
Nonvested at the beginning of the period (in dollars per share)						$ 11.58
Granted (in dollars per share)		$ 7.38	$ 12.04	$ 15.24	$ 10.91	7.38
Forfeited (in dollars per share)						10.84
Nonvested at the end of the period (in dollars per share)						$ 8.77	$ 11.58
Performance period						3 years
Restricted stock units
Weighted Average Exercise Price
Recognized stock-based compensation expense						$ 7.9	$ 6.3	$ 4.5
Unrecognized stock-based compensation expense						$ 6.1
Unrecognized stock-based compensation expense, period of recognition						1 year 8 months 12 days
Unvested activity
Nonvested at the beginning of the period (in shares)						1,475,656
Granted (in shares)						1,203,010
Vested (in shares)						(708,854)
Forfeited						(47,920)
Nonvested at the end of the period (in shares)						1,921,892	1,475,656
Weighted Average Grant Date Fair Value
Nonvested at the beginning of the period (in dollars per share)						$ 8.01
Granted (in dollars per share)						6.14
Vested (in dollars per share)						8.22
Forfeited (in dollars per share)						7.30
Nonvested at the end of the period (in dollars per share)						$ 6.78	$ 8.01
Restricted stock units | Non-employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)						1 year
Restricted stock units | Officers And Key Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)						3 years
2013 Equity and Incentive Compensation Plan | Stock Appreciation Rights (SARs)
Unvested activity
Granted (in shares)	33,850	711,450	567,967	48,427	404,594