Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2013

Earnings Per Share [Abstract]

Reconciliation Of Net Earnings To Net Earnings Attributable To Common Shares Used In Basic And Diluted Calculation

	Three Months Ended		Nine Months Ended
	September 30,		September 30,
	2013	2012	2013	2012
Earnings from continuing operations	$ 55.9	$ 74.0	$ 89.7	$ 135.2
Earnings allocated to participating non-vested
share awards	(0.3)	(0.5)	(0.5)	(1.0)
Earnings from continuing operations attributable
common shares	$ 55.6	$ 73.5	$ 89.2	$ 134.2

Reconciliation Of Basic Shares Outstanding To Diluted Shares Outstanding

	Three Months Ended		Nine Months Ended
	September 30,		September 30,
	2013	2012	2013	2012
Basic shares outstanding	58.4	58.9	58.9	58.8
Dilutive effect of stock option awards	0.6	0.5	0.6	0.6
Diluted shares outstanding	59.0	59.4	59.5	59.4