Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings	$ 124,941	$ 170,451
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	63,075	61,746
Costs recognized on sale of acquired inventory	91	0
Deferred income taxes	(6,023)	8,641
Stock-based compensation expense	39,174	26,350
Contingent consideration payments	(155)
Fair value adjustment to contingent consideration payable	6,188	(605)
Fair value adjustment on available for sale investments	10,234	(111,267)
Leases, net	83	191
Other operating activity	(608)	(865)
Change in operating assets and operating liabilities, net of acquisition:
Trade accounts and other receivables, net	(32,710)	2,692
Inventories	(4,115)	(10,009)
Other current assets	414	(1,995)
Trade accounts payable, accrued expenses, contract liabilities, and other	12,198	10,031
Salaries, wages and related accruals	13,829	(5,090)
Income taxes payable	3,528	10,155
Net cash provided by operating activities	230,144	160,426
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from sale and maturities of available-for-sale investments	66,377	122,667
Purchases of available-for-sale investments	(39,684)	(50,728)
Additions to property and equipment	(32,985)	(34,371)
Investment in unconsolidated entity	(556)	0
Acquisitions, net of cash acquired	(9,765)	0
Net cash provided by (used in) investing activities	(16,613)	37,568
CASH FLOWS FROM FINANCING ACTIVITIES:
Cash dividends	(37,174)	(36,644)
Proceeds from stock option exercises	54,992	38,490
Re-purchase of common stock	(43,178)	(50,112)
Proceeds from long-term debt	0	40,000
Repayments of long-term debt	(141,375)	(125,375)
Other financing activity	(13,504)	(5,441)
Net cash provided by (used in) financing activities	(180,239)	(139,082)
Effect of exchange rate changes on cash and cash equivalents	6,219	(3,582)
Net increase (decrease) in cash and cash equivalents	39,511	55,330
Cash and cash equivalents at beginning of period	146,625	100,886
Cash and cash equivalents at end of period	186,136	156,216
Supplemental disclosure of cash flow information:
Cash paid for income taxes	17,957	24,851
Cash paid for interest	$ 10,729	$ 14,196