Earnings per Share (Tables)

3 Months Ended

Mar. 31, 2012

Earnings Per Share

Summary of the earnings per share calculation

	Three Months Ended March 31,
	2012		2011
Net income attributable to Bruker Corporation, as reported	$	15.1	$	11.3
Weighted average shares outstanding:
Weighted average shares outstanding-basic	165.7		165.1
Effect of dilutive securities:
Stock options and restricted stock	1.2		1.6
	166.9		166.7
Net income per common share attributable to Bruker Corporation shareholders:
Basic and diluted	$	0.09	$	0.07