Consolidated Statement of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Net sales	$ 3,472,045	$ 3,370,673	$ 6,951,339	$ 6,735,324
Cost of sales	2,602,339	2,564,449	5,197,162	5,087,743
Selling, general and administrative expenses	397,259	408,338	791,581	805,322
Interest expense	47,518	53,133	91,857	106,688
Other (income) expense, net	(6,225)	(15,468)	(20,138)	1,048
Income before income taxes	431,154	360,221	890,877	734,523
Income taxes	119,241	303,899	203,065	392,666
Net income	311,913	56,322	687,812	341,857
Less: Noncontrolling interest in subsidiaries' earnings	176	163	364	301
Net income attributable to common shareholders	$ 311,737	$ 56,159	$ 687,448	$ 341,556
Earnings per share attributable to common shareholders:
Basic (in USD per share)	$ 2.39	$ 0.42	$ 5.23	$ 2.57
Diluted (in USD per share)	$ 2.36	$ 0.41	$ 5.15	$ 2.51