CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Millions, except Share data, unless otherwise specified	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, 2011	$ 621.5	$ 1.7	$ (0.2)	$ 36.0	$ 441.5	$ 142.5	$ 3.4	$ 624.9
Balance (in shares) at Dec. 31, 2011		165,871,905	20,265
Increase (Decrease) in Stockholders' Equity
Restricted shares issued (in shares)		188,028
Stock options exercised	4.5			4.5				4.5
Stock options exercised (in shares)		545,778
Stock based compensation	7.8			7.8				7.8
Treasury stock acquired (in shares)		(1,284)	1,284
Distributions to noncontrolling interests							(0.6)	(0.6)
Consolidated net income	77.5				77.5		0.7	78.2
Other comprehensive income (loss)	(4.7)					(4.7)	(0.4)	(5.1)
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
Treasury stock acquired	(0.2)		(0.4)	0.2				(0.2)
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
Treasury stock acquired	(0.3)		(0.3)					(0.3)
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