Quarterly Data - Unaudited (Tables)

12 Months Ended

Dec. 31, 2019

Quarterly Data [Abstract]

Quarterly Financial Information

($ in millions, except per share data)	1st Quarter		2nd Quarter			3rd Quarter			4th Quarter
2019:
Sales	$	1,592.9	$	1,864.7		$	1,860.0		$	2,002.4
Gross profit	812.7		904.0			927.7			1,035.9
Operating profit	217.3		249.5			242.1			295.2
Earnings from continuing operations, net of income taxes	164.0		175.3			207.3			178.8
Earnings (loss) from discontinued operations, net of income taxes	0.4		(0.7		)	(0.2		)	14.0
Net earnings	$	164.4	$	174.6		$	207.1		$	192.8
Earnings per common share - basic:
Continuing operations	$	0.44	$	0.47		$	0.57		$	0.48
Discontinued operations	—		—			—			0.04
Total earnings per common share - basic	$	0.44	$	0.47		$	0.56		$	0.52
Earnings per common share - diluted:
Continuing operations	$	0.43	$	0.47		$	0.56		$	0.48
Discontinued operations	—		—			—			0.04
Total earnings per common share - diluted	$	0.43	$	0.46		$	0.56		$	0.52
2018:
Sales	$	1,492.2	$	1,601.8		$	1,601.2		$	1,757.5
Gross profit	766.3		830.8			825.9			898.3
Operating profit	277.9		324.4			281.6			294.5
Earnings from continuing operations, net of income taxes	214.0		250.2			214.0			240.1
Earnings from discontinued operations, net of income taxes	47.2		44.8			31.3			1,872.2
Net earnings	$	261.2	$	295.0		$	245.3		$	2,112.3
Earnings per common share - basic:
Continuing operations	$	0.61	$	0.72		$	0.56		$	0.67
Discontinued operations	0.14		0.13			0.09			5.60
Total earnings per common share - basic	$	0.75	$	0.84		$	0.65		$	6.26
Earnings per common share - diluted:
Continuing operations	$	0.61	$	0.70		$	0.55		$	0.66
Discontinued operations	0.13		0.13			0.09			5.52
Total earnings per common share - diluted	$	0.74	$	0.83		$	0.64		$	6.17
The sum of net earnings per share amount may not add due to rounding.