Business Segment Information (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2018 USD ($) segment	Dec. 31, 2017 USD ($)
Segment Reporting [Abstract]
Number of reportable business segments | segment			2
Segment Reporting Information
Net sales	$ 3,472,045	$ 3,370,673	$ 6,951,339	$ 6,735,324
Operating income	504,432	430,819	1,045,167	914,721
Corporate general and administrative expenses	397,259	408,338	791,581	805,322
Interest expense	47,518	53,133	91,857	106,688
Other expense	25,760	17,465	62,433	73,510
Income before income taxes	431,154	360,221	890,877	734,523
North America
Segment Reporting Information
Net sales	2,248,806		4,494,897
Diversified Industrial
Segment Reporting Information
Net sales	2,855,738		5,770,548
Aerospace Systems
Segment Reporting Information
Net sales	616,307		1,180,791
Operating Segments
Segment Reporting Information
Operating income	568,322	477,761	1,159,382	1,003,013
Operating Segments | Diversified Industrial | North America
Segment Reporting Information
Net sales	1,632,059	1,565,416	3,313,103	3,160,107
Operating income	257,774	225,807	532,885	481,834
Operating Segments | Diversified Industrial | International
Segment Reporting Information
Net sales	1,223,679	1,255,569	2,457,445	2,494,343
Operating income	189,085	164,806	395,179	356,597
Operating Segments | Aerospace Systems
Segment Reporting Information
Net sales	616,307	549,688	1,180,791	1,080,874
Operating income	121,463	87,148	231,318	164,582
Corporate, Non-Segment
Segment Reporting Information
Corporate general and administrative expenses	$ 63,890	$ 46,942	$ 114,215	$ 88,292