Stockholders' Equity

6 Months Ended

Dec. 31, 2020

Stockholders' Equity Attributable to Parent [Abstract]

Stockholders' Equity

Stockholders' Equity

Changes in stockholders' equity by component are as follows:

	Three Months Ended
	December 31, 2020
	Common Stock		Capital in Excess of Par Value		Retained Earnings		Treasury Stock		AOCI		Total
Balance at September 30, 2020	$	63.9	$	1,348.4	$	18,644.7	$	(14,264.0)	$	15.9	$	5,808.9
Net earnings	—		—		647.5		—		—		647.5
Other comprehensive income	—		—		—		—		24.4		24.4
Stock-based compensation expense	—		40.6		—		—		—		40.6
Issuances relating to stock compensation plans	—		18.6		—		17.7		—		36.3
Treasury stock acquired (1.6 million shares repurchased)	—		—		—		(259.1)		—		(259.1)
Dividends declared ($0.93 per share)	—		—		(398.6)		—		—		(398.6)
Balance at December 31, 2020	$	63.9	$	1,407.6	$	18,893.6	$	(14,505.4)	$	40.3	$	5,900.0

	Three Months Ended
	December 31, 2019
	Common Stock		Capital in Excess of Par Value		Retained Earnings		Treasury Stock		AOCI		Total
Balance at September 30, 2019	$	63.9	$	1,213.7	$	17,729.6	$	(13,412.6)	$	(233.9)	$	5,360.7
Net earnings	—		—		651.6		—		—		651.6
Other comprehensive income	—		—		—		—		2.7		2.7
Stock-based compensation expense	—		31.3		—		—		—		31.3
Issuances relating to stock compensation plans	—		8.7		—		14.5		—		23.2
Treasury stock acquired (1.8 million shares repurchased)	—		—		—		(311.5)		—		(311.5)
Dividends declared ($0.91 per share)	—		—		(393.6)		—		—		(393.6)
Balance at December 31, 2019	$	63.9	$	1,253.7	$	17,987.6	$	(13,709.6)	$	(231.2)	$	5,364.4

	Six Months Ended
	December 31, 2020
	Common Stock		Capital in Excess of Par Value		Retained Earnings		Treasury Stock		AOCI		Total
Balance at June 30, 2020	$	63.9	$	1,333.8	$	18,436.3	$	(14,067.0)	$	(14.8)	$	5,752.2
Net earnings	—		—		1,249.6		—		—		1,249.6
Other comprehensive income	—		—		—		—		55.1		55.1
Stock-based compensation expense	—		75.7		—		—		—		75.7
Issuances relating to stock compensation plans	—		(1.9)		—		83.0		—		81.1
Treasury stock acquired (3.2 million shares repurchased)	—		—		—		(521.4)		—		(521.4)
Dividends declared ($1.84 per share)	—		—		(792.3)		—		—		(792.3)
Balance at December 31, 2020	$	63.9	$	1,407.6	$	18,893.6	$	(14,505.4)	$	40.3	$	5,900.0

	Six Months Ended
	December 31, 2019
	Common Stock		Capital in Excess of Par Value		Retained Earnings		Treasury Stock		AOCI		Total
Balance at June 30, 2019	$	63.9	$	1,183.2	$	17,500.6	$	(13,090.5)	$	(257.3)	$	5,399.9
Net earnings	—		—		1,234.0		—		—		1,234.0
Other comprehensive income	—		—		—		—		26.1		26.1
Stock-based compensation expense	—		67.3		—		—		—		67.3
Issuances relating to stock compensation plans	—		3.2		—		84.9		—		88.1
Treasury stock acquired (3.7 million shares repurchased)	—		—		—		(704.0)		—		(704.0)
Dividends declared ($1.70 per share)	—		—		(740.2)		—		—		(740.2)
Other	—		—		(6.8)		—		—		(6.8)
Balance at December 31, 2019	$	63.9	$	1,253.7	$	17,987.6	$	(13,709.6)	$	(231.2)	$	5,364.4