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Employee Benefits - Narrative (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 USD ($) installment business shares | Dec. 31, 2023 USD ($) business shares | Dec. 31, 2022 USD ($) shares
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Healthcare benefit expense, net of employee contributions | $ 34.7 | $ 34.7 | $ 30.3
Accrued compensation | 66.4 | 59.6 |
401(k) expenses recognized | $ 3.5 | $ 3.2 | $ 2.9
Number of businesses acquired with union employees | business | 1 | 0 |
Share-based awards granted (in shares) | shares | 37,000 | 67,000 | 64,000
Vesting period (in years) | 3 years |  |
Share-based compensation expense | $ 19.4 | $ 15.9 | $ 13.8
Number of equal installments | installment | 3 |  |
2014 Omnibus Incentive Plan |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Share-based compensation expense | $ 19.4 | $ 15.9 | $ 13.8
Common stock surrendered by employees (in shares) | shares | 36,000 | 52,000 | 53,000
Common stock shares available for issuance (in shares) | shares | 1,800,000 |  |
Common stock shares authorized (in shares) | shares | 2,100,000 |  |
Share-based Payment Arrangement, Tranche One |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Vesting percentage (as a percent) | 33.33% |  |
Share-based Payment Arrangement, Tranche Two |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Vesting percentage (as a percent) | 33.33% |  |
Share-based Payment Arrangement, Tranche Three |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Vesting percentage (as a percent) | 33.33% |  |
Performance-Based Stock Awards |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Share-based awards granted (in shares) | shares | 35,320 |  |
Performance-Based Stock Awards | 2014 Omnibus Incentive Plan |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Share-based compensation expense | $ 6.9 | $ 6.3 | $ 5.4
Liability Performance-Based Stock Awards |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Share-based awards granted (in shares) | shares | 4,000 | 8,000 | 39,000
Liability Performance-Based Stock Awards | 2014 Omnibus Incentive Plan |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Share-based compensation expense | $ 3.0 | $ 0.3 | $ 0.5
Restricted Stock Units (RSUs) |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Share-based awards granted (in shares) | shares | 8,000 | 15,000 | 17,000
Vesting period (in years) | 1 year |  |
Share-based Payment Arrangement, Option |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Share based compensation, recognized tax benefits | $ 1.7 | $ 1.0 | $ 0.3
Directors |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Share-based awards granted (in shares) | shares | 4,000 | 7,000 | 6,000
Vesting period (in years) | 1 year |  |
Officer | Performance-Based Stock Awards |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Share-based awards granted (in shares) | shares | 67,000 |  |
Number of equal installments | installment | 2 |  |
Officer | Performance-Based Stock Awards | Share-based Payment Arrangement, Tranche One |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Vesting percentage (as a percent) | 50.00% |  |
Officer | Performance-Based Stock Awards | Share-based Payment Arrangement, Tranche Two |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Vesting percentage (as a percent) | 50.00% |  |
Cost of sales |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Workers' compensation expense | $ 19.3 | $ 20.9 | $ 19.1
Share-based compensation expense | 1.1 | 0.9 | $ 0.6
Medical IBNR Included in Accrued Compensation |  |  |
Pension Plans, Postretirement and Other Employee Benefits [Line Items] |  |  |
Accrued compensation | $ 4.8 | $ 3.9 |

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