Revenue Recognition Revenue Recognition (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Net sales	$ 3,472,739	$ 3,073,274	$ 2,593,746
Cost of sales	2,465,116	2,189,279	1,856,051
Gross profit	1,007,623	883,995	737,695
Selling, distribution and administrative expense, including depreciation	742,241	658,168	562,309
Intangible Impairment	31,594	0	0
Operating income	233,788	225,827	175,386
Interest expense, net	(40,188)	(23,485)	(8,541)
Other income, net	881	2,376	121
Income before income taxes	194,481	204,718	166,966
Income tax expense	50,488	63,093	33,056
Net income	143,993	141,625	$ 133,910
Accounts receivable, net	540,902	548,811
Other current assets	51,462	32,990
Inventories	447,555	422,069
Other assets	28,399	23,788
Other current liabilities	69,491	83,112
Other liabilities	102,019	93,705
Retained Earnings	897,034	$ 814,963
Calculated under Revenue Guidance in Effect before Topic 606 [Member]
Net sales	3,477,414
Cost of sales	2,468,807
Gross profit	1,008,607
Selling, distribution and administrative expense, including depreciation	742,562
Intangible Impairment	31,594
Operating income	234,451
Interest expense, net	(40,188)
Other income, net	881
Income before income taxes	195,144
Income tax expense	50,654
Net income	144,490
Accounts receivable, net	545,592
Other current assets	42,542
Inventories	454,107
Other assets	28,696
Other current liabilities	76,179
Other liabilities	100,903
Retained Earnings	894,102
Accounting Standards Update 2014-09 [Member] | Difference between Revenue Guidance in Effect before and after Topic 606 [Member]
Net sales	4,675
Cost of sales	3,691
Gross profit	984
Selling, distribution and administrative expense, including depreciation	321
Intangible Impairment	0
Operating income	663
Interest expense, net	0
Other income, net	0
Income before income taxes	663
Income tax expense	166
Net income	497
Accounts receivable, net	4,690
Other current assets	(8,920)
Inventories	6,552
Other assets	297
Other current liabilities	6,688
Other liabilities	(1,116)
Retained Earnings	$ (2,932)