CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Millions	Share Repurchase Programs Total Shareholders' Equity Attributable to Bruker Corporation	Share Repurchase Programs Common Stock	Share Repurchase Programs Treasury Stock	Share Repurchase Programs	Other Treasury Stock Acquired Total Shareholders' Equity Attributable to Bruker Corporation	Other Treasury Stock Acquired Common Stock	Other Treasury Stock Acquired Treasury Stock	Other Treasury Stock Acquired Additional Paid-In Capital	Other Treasury Stock Acquired	Total Shareholders' Equity Attributable to Bruker Corporation	Common Stock	Treasury Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income	Noncontrolling Interests in Consolidated Subsidiaries	Total
Balance at Dec. 31, 2012										$ 706.6	$ 1.7	$ (0.2)	$ 48.3	$ 519.0	$ 137.8	$ 3.1	$ 709.7
Balance (in shares) at Dec. 31, 2012											166,604,427	21,549
Increase (Decrease) in Stockholders' Equity
Restricted shares issued (in shares)											121,072
Stock options exercised										8.4			8.4				8.4
Stock options exercised (in shares)											871,991
Stock based compensation										6.6			6.6				6.6
Share repurchases and treasury stock acquired					$ (0.2)		$ (0.4)	$ 0.2	$ (0.2)
Share repurchases and treasury stock acquired (in shares)						(18,286)	18,286
Distributions to noncontrolling interests																(0.6)	(0.6)
Consolidated net income										80.1				80.1		1.7	81.8
Other comprehensive income (loss)										44.6					44.6	(0.1)	44.5
Balance at Dec. 31, 2013										846.1	$ 1.7	$ (0.6)	63.5	599.1	182.4	4.1	850.2
Balance (in shares) at Dec. 31, 2013											167,579,204	39,835
Increase (Decrease) in Stockholders' Equity
Restricted shares issued (in shares)											112,129
Stock options exercised										8.2			8.2				8.2
Stock options exercised (in shares)											851,820
Stock based compensation										9.4			9.4				9.4
Share repurchases and treasury stock acquired					(0.3)		$ (0.3)		(0.3)
Share repurchases and treasury stock acquired (in shares)						(15,569)	15,569
Distributions to noncontrolling interests																(1.1)	(1.1)
Consolidated net income										56.7				56.7		2.9	59.6
Other comprehensive income (loss)										(154.2)					(154.2)	(0.1)	(154.3)
Balance at Dec. 31, 2014										765.9	$ 1.7	$ (0.9)	81.1	655.8	28.2	5.8	771.7
Balance (in shares) at Dec. 31, 2014											168,527,584	55,404
Increase (Decrease) in Stockholders' Equity
Restricted shares issued (in shares)											135,677
Restricted shares terminated (in shares)											(145,857)	145,857
Stock options exercised										10.8			10.8				10.8
Stock options exercised (in shares)											926,042
Stock based compensation										8.0			8.0				8.0
Excess tax benefit related to exercise of stock awards										2.2			2.2				2.2
Share repurchases and treasury stock acquired	$ (89.9)		$ (89.9)	$ (89.9)	$ (0.1)		$ (0.1)		$ (0.1)
Share repurchases and treasury stock acquired (in shares)		(4,082,042)	4,082,042			(7,224)	7,224
Distributions to noncontrolling interests																(1.3)	(1.3)
Consolidated net income										101.6				101.6		3.3	104.9
Other comprehensive income (loss)										(72.4)					(72.4)	(1.0)	(73.4)
Balance at Dec. 31, 2015										$ 726.1	$ 1.7	$ (90.9)	$ 102.1	$ 757.4	$ (44.2)	$ 6.8	$ 732.9
Balance (in shares) at Dec. 31, 2015											165,354,180	4,290,527