Post Retirement Benefit Plans - Plan Assets (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Plan Assets:
Plan assets		$ 189.1	$ 177.4	$ 150.3
The Company's percentage of returns above the guaranteed minimum		90.00%
Percentage of returns above the guaranteed minimum to be retained by Swiss Life		10.00%
Swiss Pension Plan assets
Plan Assets:
Plan assets	[1]	$ 189.1	177.4
PMOD Plan | Swiss Life Collective BVG Foundation
Plan Assets:
Guaranteed minimum return on mandatory withdrawal portion of fund (as a percent)		1.25%
Guaranteed minimum return on non-mandatory withdrawal portion of fund (as a percent)		0.50%
Chemspeed Plan
Plan Assets:
Guaranteed minimum return on mandatory withdrawal portion of fund (as a percent)		1.75%
Guaranteed minimum return on non-mandatory withdrawal portion of fund (as a percent)		3.50%
Biognosys Plan [Member]
Plan Assets:
Guaranteed minimum return on mandatory withdrawal portion of fund (as a percent)		8.00%
Significant Unobservable Inputs (Level 3)
Plan Assets:
Plan assets		$ 189.1	177.4
Significant Unobservable Inputs (Level 3) | Swiss Pension Plan assets
Plan Assets:
Plan assets	[1]	$ 189.1	$ 177.4

[1] The Company’s pension plan in Switzerland is outsourced to Swiss Life AG for Bruker Switzerland AG and PMOD under a fully insured plan, Profond for Biognosys under a partially insured plan and Axa Stiftung Berufliche Vorsorge for Chemspeed under a partially insured plan. Starting January 1, 2025 the pension plan for Bruker Switzerland AG is outsourced to Profond under a partially insured plan. Members for the Bruker Switzerland AG and PMOD Plans are guaranteed an interest of 1.25% on mandatory retirement withdrawals and another 0.50% on the non-mandatory portion of the withdrawal benefit for the year 2024. Members for the Chemspeed Plan are guaranteed an interest of 1.75% on mandatory retirement withdrawals and another 3.50% on the non-mandatory portion of the withdrawal benefit for the year 2024. Members for the Biognosys plan are guaranteed an 8% interest for the overall account balance. The insurers utilize plan administrators and investment managers to oversee the investment allocation process, set long-term strategic targets and monitor asset allocations. Should the return be greater than the guaranteed amounts, the Company, according to Swiss law, shall receive 90% of the additional return with the insurers retaining 10%.