Goodwill and Intangible Assets - Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Goodwill
Balance at the beginning of the period	$ 130.6	$ 127.8	$ 127.4
Current period additions/adjustments	1.0	6.8	5.0
Impairment		(0.7)
Foreign currency impact	(1.0)	(3.3)	(4.6)
Balance at the end of the period	$ 130.6	130.6	$ 127.8
Restructuring initiative within Bruker BioSpin Group
Goodwill
Impairment		$ (0.7)