Quarterly Information (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 3,817,477	$ 3,749,591	$ 3,370,673	$ 3,364,651	$ 3,496,238	$ 3,119,139	$ 2,670,804	$ 2,743,131	$ 14,302,392	$ 12,029,312	$ 11,360,753
Net income attributable to common shareholders	$ 353,256	$ 365,989	$ 56,159	$ 285,397	$ 293,305	$ 238,673	$ 241,305	$ 210,129	$ 1,060,801	$ 983,412	$ 806,840
Diluted earnings per share (in USD per share)	$ 2.62	$ 2.70	$ 0.41	$ 2.10	$ 2.15	$ 1.75	$ 1.78	$ 1.55	$ 7.83	$ 7.25	$ 5.89