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Pension and Other Retiree Benefits - Narrative (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2024 USD ($) Yr | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Defined Benefit Plan Disclosure [Line Items] |  |  |
Pension and post-retirement benefit obligations | $ 117.2 | $ 157.6 |
Employer contributions | 17.8 |  |
Expected contributions to defined benefit plans for 2022 | 16.0 |  |
Costs related to defined contribution plans | 12.5 | 12.5 | $ 13.2
Pension settlement cost | 4.5 |  |
Esselte Leitz Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Unfunded Pension Plan liability | $ 98.0 | 109.9 |
Minimum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Payment of retirement benefits, commencement age for participants | Yr | 60 |  |
Maximum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Payment of retirement benefits, commencement age for participants | Yr | 65 |  |
Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Accumulated benefit obligation | $ 542.9 | 625.1 |
Pension Plan | U.S. |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Pension and post-retirement benefit obligations | 5.1 | 17.1 |
Employer contributions | $ 3.0 | $ 2.5 |
Pension Plan | U.S. | Equity securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Target asset allocation | 38.00% |  |
Pension Plan | U.S. | Fixed income securities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Target asset allocation | 54.00% |  |
Pension Plan | U.S. | Alternate assets |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Target asset allocation | 8.00% |  |

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