Business Segment Information (Details) - USD ($) $ in Thousands		3 Months Ended								12 Months Ended
		Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Segment Reporting Information [Line Items]
Net sales		$ 3,496,238	$ 3,119,139	$ 2,670,804	$ 2,743,131	$ 2,957,150	$ 2,828,665	$ 2,705,590	$ 2,869,348	$ 12,029,312	$ 11,360,753	$ 12,711,744
Segment operating income										1,790,255	1,575,655	1,838,432
Corporate administration										172,632	173,203	215,396
Income before interest expense and other										1,617,623	1,402,452	1,623,036
Interest expense										162,436	136,517	118,406
Other expense										126,546	151,207	72,390
Income before income taxes										1,328,641	1,114,728	1,432,240
Assets		15,489,904				12,034,142				15,489,904	12,034,142	12,254,279
Property Additions	[1]									203,748	149,407	215,527
Depreciation										202,868	190,308	202,776
Net Sales	[2]									12,029,312	11,360,753	12,711,744
Long-Lived Assets	[2]	1,937,292				1,568,100				1,937,292	1,568,100	1,664,022
North America
Segment Reporting Information [Line Items]
Net Sales	[2]									7,585,689	7,144,481	7,891,571
Long-Lived Assets	[2]	1,145,127				817,872				1,145,127	817,872	856,947
International
Segment Reporting Information [Line Items]
Net Sales	[2]									4,443,623	4,216,272	4,820,173
Long-Lived Assets	[2]	792,165				750,228				792,165	750,228	807,075
Operating Segments | Diversified Industrial
Segment Reporting Information [Line Items]
Assets		13,366,981				8,728,671				13,366,981	8,728,671	8,734,942
Property Additions	[1]									148,765	134,618	190,580
Depreciation										176,823	163,014	174,102
Operating Segments | Aerospace Systems
Segment Reporting Information [Line Items]
Net sales										2,284,727	2,260,270	2,254,626
Segment operating income										337,496	337,531	298,994
Assets	[1]	1,412,707				1,430,577				1,412,707	1,430,577	1,375,845
Property Additions	[1]									16,929	10,857	18,427
Depreciation										17,484	18,469	19,509
Operating Segments | North America | Diversified Industrial
Segment Reporting Information [Line Items]
Net sales										5,366,809	4,955,211	5,715,742
Segment operating income										873,552	789,667	955,501
Operating Segments | International | Diversified Industrial
Segment Reporting Information [Line Items]
Net sales										4,377,776	4,145,272	4,741,376
Segment operating income										579,207	448,457	583,937
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Assets	[3]	$ 710,216				$ 1,874,894				710,216	1,874,894	2,143,492
Property Additions	[1]									38,054	3,932	6,520
Depreciation										$ 8,561	$ 8,825	$ 9,165

[1] Includes an investment in a joint venture in which ownership is 50 percent or less and in which the Company does not have operating control (2017 - $240,182; 2016 - $241,728; 2015 - $251,365).

[2] Net sales are attributed to countries based on the location of the selling unit. North America includes the United States, Canada and Mexico. No country other than the United States represents greater than 10 percent of consolidated sales. Long-lived assets are comprised of plant and equipment based on physical location.

[3] Amounts in 2016 and 2015 have been adjusted to reflect the retrospective adoption of Accounting Standards Update 2015-03 in the first quarter of 2017. Corporate assets are principally cash and cash equivalents, marketable securities and other investments, domestic deferred income taxes, deferred compensation plan assets, headquarters facilities and the major portion of the Company’s domestic data processing equipment.