Consolidated Statement of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Income Statement [Abstract]
Net sales	$ 3,370,673	$ 2,670,804	$ 6,735,324	$ 5,413,935
Cost of sales	2,569,070	2,044,484	5,101,948	4,150,490
Selling, general and administrative expenses	412,462	336,578	814,134	659,547
Interest expense	53,133	33,444	106,688	67,592
Other (income), net	(24,213)	(64,424)	(21,969)	(76,661)
Income before income taxes	360,221	320,722	734,523	612,967
Income taxes	303,899	79,322	392,666	161,329
Net income	56,322	241,400	341,857	451,638
Less: Noncontrolling interest in subsidiaries' earnings	163	95	301	204
Net income attributable to common shareholders	$ 56,159	$ 241,305	$ 341,556	$ 451,434
Earnings per share attributable to common shareholders:
Basic (in USD per share)	$ 0.42	$ 1.81	$ 2.57	$ 3.38
Diluted (in USD per share)	0.41	1.78	2.51	3.33
Cash dividends per common share (in USD per share)	$ 0.66	$ 0.63	$ 1.32	$ 1.26