Consolidated Statement of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Income Statement [Abstract]
Net sales	$ 3,497,974	$ 3,472,045	$ 6,832,485	$ 6,951,339
Cost of sales	2,682,765	2,602,339	5,162,506	5,197,162
Selling, general and administrative expenses	491,121	397,259	890,300	791,581
Interest expense	82,891	47,518	152,847	91,857
Other (income), net	(13,549)	(6,225)	(61,070)	(20,138)
Income before income taxes	254,746	431,154	687,902	890,877
Income taxes	50,148	119,241	144,263	203,065
Net income	204,598	311,913	543,639	687,812
Less: Noncontrolling interest in subsidiaries' earnings	124	176	267	364
Net income attributable to common shareholders	$ 204,474	$ 311,737	$ 543,372	$ 687,448
Earnings per share attributable to common shareholders:
Basic (in USD per share)	$ 1.59	$ 2.39	$ 4.23	$ 5.23
Diluted (in USD per share)	$ 1.57	$ 2.36	$ 4.17	$ 5.15