Goodwill and Intangible Assets - Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Goodwill
Balance at the beginning of the period	$ 127.8	$ 127.4
Current period additions	6.3	5.1
Current period adjustments	0.5	(0.1)
Impairment	(0.7)	0.0
Foreign currency impact	(3.3)	(4.6)
Balance at the end of the period	130.6	$ 127.8
BSI | Bruker BioSpin Group
Goodwill
Impairment	$ (0.7)