Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net income	$ 178,372	$ 120,148
Adjustment to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	39,466	37,954
Amortization of right-of-use-assets	10,422	5,963
Stock-based compensation costs	16,071	13,256
Loss attributable to equity method investments (note 5)	2,288	6,863
(Gain) loss on equity investments (note 5)	(8,476)	2,590
Changes in fair value of business combination contingent consideration		(8)
Changes in operating assets and liabilities:
Accounts receivable	16,110	28,286
Inventories	(52,396)	(14,204)
Prepaid expenses, net deferred income taxes and other current assets	3,415	(8,407)
Accounts payable, accrued expenses and other	(61,273)	(30,078)
Net cash provided by operating activities	143,999	162,363
Cash flows from investing activities:
Purchases of property, plant and equipment	(13,501)	(22,671)
Patent registration costs	(5,237)	(2,069)
Purchases of investments (note 5)	(8,196)	(2,741)
Payments on maturity of foreign currency contracts	4,824	(5,743)
Net cash used in investing activities	(22,110)	(33,224)
Cash flows from financing activities:
Proceeds from issuance of common stock, net	1,026	5,609
Taxes paid related to net share settlement of equity awards	227	(326)
Payments of business combination contingent consideration		(302)
Proceeds from borrowings, net of borrowing costs	55,000	565,000
Repayment of borrowings	(175,000)	(614,003)
Dividends paid	(56,511)	(56,052)
Net cash used in financing activities	(175,258)	(100,074)
Effect of exchange rate changes on cash	11,627	(4,039)
Net increaase (decrease) in cash and cash equivalents	(41,742)	25,026
Cash and cash equivalents at beginning of period	463,156	147,128
Cash and cash equivalents at end of period	421,414	172,154
Supplemental disclosure of cash flow information:
Income taxes paid, net of refunds	51,370	30,937
Interest paid	$ (6,842)	$ (10,992)