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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2024
Share-Based Payment Arrangement [Abstract] |
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs | The following table summarizes the impact of all stock-based compensation expense on our Consolidated Statements of Loss for the years ended December 31, 2024, 2023 and 2022:
(in millions) |  | 2024 |  |  | 2023 |  |  | 2022 |
Selling, general and administrative expense |  | $ | 11.9 |  |  | $ | 14.8 |  |  | $ | 9.5 |
(Loss) income before income tax |  |  | (11.9 | ) |  |  | (14.8 | ) |  |  | (9.5 | )
Income tax expense |  |  | (2.9 | ) |  |  | (3.4 | ) |  |  | (2.2 | )
Net loss |  | $ | (9.0 | ) |  | $ | (11.4 | ) |  | $ | (7.3 | )
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan | Stock-based compensation expense by award type for the years ended December 31, 2024, 2023 and 2022 was as follows:
(in millions) |  | 2024 |  |  | 2023 |  |  | 2022 |
Stock option compensation expense |  | $ | 0.5 |  |  | $ | 2.7 |  |  | $ | 3.7 |
RSU compensation expense |  |  | 7.5 |  |  |  | 6.4 |  |  |  | 4.4 |
PSU compensation expense |  |  | 3.9 |  |  |  | 5.7 |  |  |  | 1.4 |
Total stock-based compensation expense |  | $ | 11.9 |  |  | $ | 14.8 |  |  | $ | 9.5 |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions | The fair value of each option award is estimated on the date of grant using the Black-Scholes option-pricing model and the weighted average assumptions as outlined in the following table:
|  | Year Ended December 31,
|  | 2022
Weighted average expected lives |  | 6.0 years
Weighted average risk-free interest rate |  | 1.89 %
Weighted average expected volatility |  | 41.7 %
Expected dividend yield |  | 3.60 %
Weighted average grant date fair value |  | $2.43
Summary of Changes in Stock Options Outstanding | A summary of the changes in stock options outstanding under the Plan during the year ended December 31, 2024 is presented below:
|  | Number Outstanding |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term |  | Aggregate Intrinsic Value
Outstanding at December 31, 2023 |  |  | 6,625,226 |  |  | $ | 9.26 |  |  |  |  |
Forfeited/Expired |  |  | (913,930 | ) |  | $ | 11.27 |  |  |  |  |
Outstanding at December 31, 2024 |  |  | 5,711,296 |  |  | $ | 8.94 |  |  | 4.7 years |  | zero
Exercisable shares at December 31, 2024 |  |  | 5,212,811 |  |  |  |  |  | 4.5 years |  | zero
Summary of Changes in RSUs Outstanding | A summary of the changes in the RSUs outstanding under the Plan during 2024 is presented below:
|  | Stock Units |  |  | Weighted Average Grant Date Fair Value |
Outstanding at December 31, 2023 |  |  | 3,444,450 |  |  | $ | 6.63 |
Granted |  |  | 1,501,759 |  |  | $ | 5.31 |
Vested and distributed |  |  | (253,634 | ) |  | $ | 8.43 |
Vested and deferred distributed |  |  | (133,273 | ) |  | $ | 7.71 |
Forfeited and cancelled |  |  | (317,413 | ) |  | $ | 6.09 |
Outstanding at December 31, 2024 |  |  | 4,241,889 |  |  | $ | 6.06 |
Vested and deferred at December 31, 2024(1) |  |  | 767,216 |  |  | $ | 7.80 |
(1) Included in outstanding at December 31, 2024. Vested and deferred RSUs are primarily related to deferred compensation for non-employee directors.
Summary of Changes in PSUs Outstanding | A summary of the changes in the PSUs outstanding under the Plan during 2024 is presented below:
|  | Stock Units |  |  | Weighted Average Grant Date Fair Value |
Outstanding at December 31, 2023 |  |  | 1,771,690 |  |  | $ | 6.48 |
Granted |  |  | 1,825,683 |  |  | $ | 5.80 |
Vested and distributed |  |  | (685,998 | ) |  | $ | 6.74 |
Forfeited and cancelled |  |  | (319,295 | ) |  | $ | 5.65 |
Other - increase due to performance of PSUs |  |  | 954,162 |  |  | $ | 5.21 |
Outstanding at December 31, 2024 |  |  | 3,546,242 |  |  | $ | 5.81 |

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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for stock options and stock appreciation rights that were outstanding at the beginning and end of the year, exercisable at the end of the year, and the number of stock options and stock appreciation rights that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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