Earnings per Share (Tables)

12 Months Ended

Dec. 31, 2014

Earnings Per Share [Abstract]

Computation of Basic and Diluted Net EPS

The following table sets forth the computation of basic and diluted net earnings per share (in millions, except per share data):

	Year Ended December 31,
	2014		2013		2012
Net earnings	$	303.4	$	268.6	$	195.0
Weighted average number of common shares outstanding		152.9		128.9		121.0
Dilutive effect of stock options using the treasury stock method		1.4		1.6		1.5
Weighted average number of common and common equivalent shares outstanding		154.3		130.5		122.5
Basic net earnings per share	$	1.98	$	2.08	$	1.61
Diluted net earnings per share:	$	1.97	$	2.06	$	1.59