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Pension and Other Retiree Benefits - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($) Yr	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Pension and post-retirement benefit obligations	$ 157.6	$ 155.5
Employer contributions	16.9
Expected contributions to defined benefit plans for 2022	16.0
Costs related to defined contribution plans	12.5	13.2	$ 12.7
Pension settlement cost	0.7
Esselte Leitz Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Unfunded Pension Plan liability	$ 109.9	103.0
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	$ 625.1	598.1
Pension Plan | U.S.
Defined Benefit Plan Disclosure [Line Items]
Pension and post-retirement benefit obligations	$ 17.1	$ 22.1
Weighted average asset allocations	100.00%	100.00%
Employer contributions	$ 2.5	$ 2.5
Pension Plan | U.S. | Equity securities
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	37.00%	35.00%
Pension Plan | U.S. | Fixed income securities
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	57.00%	58.00%
Pension Plan | U.S. | Alternate assets
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocations	6.00%

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