Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net income	$ 86,125	$ 76,107
Adjustment to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	29,571	27,775
Stock-based compensation costs	11,948	12,049
Impairment of cost-method investments	962
Changes in operating assets and liabilities, net of effect of acquisitions:
Accounts receivable	23,317	36,207
Inventories	(26,942)	(28,073)
Prepaid expenses, net deferred income taxes and other current assets	(15,408)	(19,115)
Accounts payable, accrued expenses and other	(15,590)	(18,707)
Net cash provided by operating activities	93,983	86,243
Cash flows from investing activities:
Purchases of property, plant and equipment	(16,030)	(14,560)
Patent registration costs	(2,242)	(2,471)
Business acquisitions, net of cash acquired		(3,090)
Investment in cost-method investments	(3,225)	(2,758)
Proceeds (Payments) on maturity of foreign currency contracts	6,073	9,710
Net cash used in investing activities	(15,424)	(13,169)
Cash flows from financing activities:
Proceeds from issuance of common stock, net	3,615	6,330
Proceeds from borrowings, net of borrowing costs	50,000	25,000
Repayment of borrowings	(110,000)	(25,000)
Dividends paid	(49,698)	(46,378)
Net cash used in financing activities	(106,083)	(40,048)
Effect of exchange rate changes on cash	16,691	17,198
Net increaase (decrease) in cash and cash equivalents	(10,833)	50,224
Cash and cash equivalents at beginning of period	821,935	731,434
Cash and cash equivalents at end of period	811,102	781,658
Supplemental disclosure of cash flow information:
Income taxes paid, net of refunds	30,157	28,261
Interest paid	7,785	6,401
Fair value of assets acquired, excluding cash		1,891
Goodwill on acquisition		457
Deferred payments		742
Total cash component of purchase price		$ 3,090