Earnings Per Share

3 Months Ended

Mar. 31, 2012

Earnings Per Share [Abstract]

Earnings Per Share

NOTE 18.EARNINGS PER SHARE

Earnings per share (“EPS”) components may not add due to rounding.

The following table is a reconciliation of net earnings to net earnings attributable to common shares used in our basic and diluted EPS calculations for the three month periods ended March 31, 2012 and 2011:

	Three Months Ended March 31,
	2012	2011
Net earnings	$ 18.2	$ 13.5
Net earnings allocated to participating non-vested share awards	(0.1)	(0.1)
Net earnings attributable to common shares	$ 18.1	$ 13.4

The following table is a reconciliation of basic shares outstanding to diluted shares outstanding for the three month periods ended March 31, 2012 and 2011 (shares in millions):

	Three Months Ended March 31,
	2012	2011
Basic shares outstanding	58.6	58.1
Dilutive effect of stock option awards	0.5	0.7
Diluted shares outstanding	59.1	58.8

At March 31, 2012 and 2011, there were no anti-dilutive options excluded from the computation of diluted EPS.