Stockholders' Equity (Tables)

9 Months Ended

Mar. 31, 2021

Stockholders' Equity Attributable to Parent [Abstract]

Schedule of Components of Stockholders' Equity

Changes in stockholders' equity by component are as follows:

	Three Months Ended
	March 31, 2021
	Common Stock		Capital in Excess of Par Value		Retained Earnings		Treasury Stock		AOCI		Total
Balance at December 31, 2020	$	63.9	$	1,407.6	$	18,893.6	$	(14,505.4)	$	40.3	$	5,900.0
Net earnings	—		—		810.7		—		—		810.7
Other comprehensive income	—		—		—		—		(298.0)		(298.0)
Stock-based compensation expense	—		38.8		—		—		—		38.8
Issuances relating to stock compensation plans	—		33.4		—		19.7		—		53.1
Treasury stock acquired (2.5 million shares repurchased)	—		—		—		(433.9)		—		(433.9)
Dividends declared ($0.93 per share)	—		—		(396.8)		—		—		(396.8)
Balance at March 31, 2021	$	63.9	$	1,479.8	$	19,307.5	$	(14,919.6)	$	(257.7)	$	5,673.9

	Three Months Ended
	March 31, 2020
	Common Stock		Capital in Excess of Par Value		Retained Earnings		Treasury Stock		AOCI		Total
Balance at December 31, 2019	$	63.9	$	1,253.7	$	17,987.6	$	(13,709.6)	$	(231.2)	$	5,364.4
Net earnings	—		—		820.9		—		—		820.9
Other comprehensive income	—		—		—		—		(3.2)		(3.2)
Stock-based compensation expense	—		30.8		—		—		—		30.8
Issuances relating to stock compensation plans	—		30.6		—		23.0		—		53.6
Treasury stock acquired (2.5 million shares repurchased)	—		—		—		(383.8)		—		(383.8)
Dividends declared ($0.91 per share)	—		—		(392.0)		—		—		(392.0)
Balance at March 31, 2020	$	63.9	$	1,315.1	$	18,416.5	$	(14,070.4)	$	(234.4)	$	5,490.7

	Nine Months Ended
	March 31, 2021
	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	—		—		2,060.3		—		—		2,060.3
Other comprehensive income	—		—		—		—		(242.9)		(242.9)
Stock-based compensation expense	—		114.5		—		—		—		114.5
Issuances relating to stock compensation plans	—		31.5		—		102.7		—		134.2
Treasury stock acquired (5.7 million shares repurchased)	—		—		—		(955.3)		—		(955.3)
Dividends declared ($2.77 per share)	—		—		(1,189.1)		—		—		(1,189.1)
Balance at March 31, 2021	$	63.9	$	1,479.8	$	19,307.5	$	(14,919.6)	$	(257.7)	$	5,673.9

	Nine Months Ended
	March 31, 2020
	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	—		—		2,054.9		—		—		2,054.9
Other comprehensive income	—		—		—		—		22.9		22.9
Stock-based compensation expense	—		98.1		—		—		—		98.1
Issuances relating to stock compensation plans	—		33.8		—		107.9		—		141.7
Treasury stock acquired (6.2 million shares repurchased)	—		—		—		(1,087.8)		—		(1,087.8)
Dividends declared ($2.61 per share)	—		—		(1,132.1)		—		—		(1,132.1)
Other	—		—		(6.9)		—		—		(6.9)
Balance at March 31, 2020	$	63.9	$	1,315.1	$	18,416.5	$	(14,070.4)	$	(234.4)	$	5,490.7