Quarterly Financial Results (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Summarized Quarterly Results of Continuing Operations [Abstract]
Cost of Goods and Services Sold	$ 2,020.5	$ 2,111.8	$ 2,013.7	$ 1,940.5	$ 1,942.4	$ 2,079.3	$ 1,937.9	$ 1,851.5	$ 8,086.6	$ 7,810.9	$ 7,244.5
Revenues	3,498.7	3,847.4	3,505.9	3,323.2	3,316.2	3,696.0	3,238.3	3,077.2	14,175.2	13,327.7	12,372.0
Gross profit	1,478.2	1,735.6	1,492.2	1,382.7	1,373.8	1,616.7	1,300.4	1,225.7
Earnings before income taxes	633.3	984.5	741.0	646.8	254.9	875.2	587.5	564.9	3,005.6	2,282.6	2,616.9
Net earnings	$ 475.5	$ 753.7	$ 558.2	$ 505.4	$ 140.9	$ 661.0	$ 670.4	$ 412.6	$ 2,292.8	$ 1,884.9	$ 1,787.8
Basic earnings per share (in dollars per share)	$ 1.10	$ 1.74	$ 1.28	$ 1.16	$ 0.32	$ 1.50	$ 1.52	$ 0.93	$ 5.27	$ 4.28	$ 3.99
Diluted earnings per share (in dollars per share)	$ 1.09	$ 1.73	$ 1.27	$ 1.15	$ 0.32	$ 1.49	$ 1.51	$ 0.93	$ 5.24	$ 4.25	$ 3.97