Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities:
Net income	$ 315,588	$ 342,284	$ 352,409
Adjustment to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	119,960	112,157	86,849
Stock-based compensation costs	48,412	45,925	46,408
Impairment of long lived assets			2,815
Impairment of cost-method investments	11,593	1,955	750
Changes in fair value of business combination contingent consideration (note 20)	411	10,076	(2,986)
Payment of business combination contingent consideration (note 20)		(8,460)
Changes in operating assets and liabilities, net of effect of acquisitions:
Accounts receivable	(32,356)	(63,604)	(27,307)
Inventories	1,494	(41,599)	30,492
Prepaid expenses, net deferred income taxes and other current assets	(160,726)	(19,257)	12,121
Accounts payable, accrued expenses and other	200,650	34,576	46,382
Net cash provided by operating activities	505,026	414,053	547,933
Cash flows from investing activities:
Purchases of property, plant and equipment	(62,581)	(62,219)	(58,534)
Patent registration costs	(8,876)	(9,257)	(9,295)
Business acquisitions, net of cash acquired	(902)	(7,274)	(1,041,864)
Investment in cost-method investments	(14,495)	(6,464)	(8,965)
Proceeds from disposal of cost-method investments			468
Proceeds (payments) on maturity of foreign currency contracts	(14,970)	3,324	(7,564)
Net cash used in investing activities	(101,824)	(81,890)	(1,125,754)
Cash flows from financing activities:
Proceeds from issuance of common stock, net	23,332	30,161	27,694
Purchases of treasury stock	(53,801)		(102,058)
Payments of business combination contingent consideration (note 20)	(486)	(11,682)	(1,228)
Proceeds from borrowings, net of borrowing costs	350,000	450,000	1,140,000
Repayment of borrowings	(1,146,242)	(545,000)	(283,694)
Dividend paid	(199,497)	(186,346)	(168,130)
Net cash used in financing activities	(1,026,694)	(262,867)	612,584
Effect of exchange rate changes on cash	(9,742)	21,205	(20,578)
Net increaase (decrease) in cash and cash equivalents	(633,234)	90,501	14,185
Cash and cash equivalents at beginning of period	821,935	731,434	717,249
Cash and cash equivalents at end of period	188,701	821,935	731,434
Supplemental disclosure of cash flow information:
Income taxes paid, net of refunds	170,653	92,901	68,966
Interest paid	28,355	28,236	11,206
Fair value of assets acquired, excluding cash	290	10,460	338,353
Liabilities assumed		(877)	(79,808)
Goodwill on acquisition	247	(645)	796,306
Deferred payments	365	(84)	120
Fair value of contingent consideration		(1,580)	(13,107)
Total cash component of purchase price	$ 902	$ 7,274	$ 1,041,864