Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2020	Feb. 25, 2021	Jun. 30, 2020
Document and Entity Information
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2020
Document Transition Report	false
Entity File Number	000-30833
Entity Registrant Name	BRUKER CORPORATION
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	04-3110160
Entity Address, Address Line One	40 Manning Road
Entity Address, City or Town	Billerica,
Entity Address, Postal Zip Code	01821
Entity Address, State or Province	MA
City Area Code	978
Local Phone Number	663-3660
Entity Current Reporting Status	No
Entity Interactive Data Current	Yes
Entity Voluntary Filers	No
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Trading Symbol	BRKR
Security Exchange Name	NASDAQ
Title of 12(b) Security	Common Stock
Entity Common Stock, Shares Outstanding		151,565,334
Entity Central Index Key	0001109354
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Well-known Seasoned Issuer	No
Entity Public Float			$ 2,172,541,232