Net Earnings Per Common Share (Tables)

9 Months Ended

Sep. 30, 2015

Earnings Per Share [Abstract]

Computations of Basic and Diluted Earnings Per Share

	Three months ended				Nine months ended
	September 30,				September 30,
	2015		2014		2015		2014
Net earnings	$	45.8	$	102.2	$	202.3	$	319.8
Basic weighted average common shares		104.3		103.9		104.4		103.9
Effect of employee stock purchase plan shares		-		0.1		-		0.1
Effect of restricted shares issued		0.5		0.6		0.5		0.5
Diluted weighted average common shares		104.8		104.6		104.9		104.5
Basic net earnings per share:
Continuing operations	$	0.44	$	0.47	$	1.94	$	1.68
Discontinued operations		-		0.51		-		1.40
Basic net earnings per share	$	0.44	$	0.98	$	1.94	$	3.08
Diluted net earnings per share:
Continuing operations	$	0.44	$	0.47	$	1.93	$	1.67
Discontinued operations		-		0.51		-		1.39
Diluted net earnings per share	$	0.44	$	0.98	$	1.93	$	3.06