Condensed Consolidated Statements Of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Condensed Consolidated Statements Of Income [Abstract]
Net revenue	$ 662,228	$ 591,634	$ 1,901,608	$ 1,716,566
Cost of sales (excluding amortization of acquired intangible assets)	270,318	247,339	782,874	716,874
Gross profit	391,910	344,295	1,118,734	999,692
Operating expenses:
Selling, general and administrative	164,529	147,893	473,410	443,559
Research and development	47,610	37,434	129,513	115,492
Amortization of acquired intangible assets	22,794	11,673	51,501	34,772
Restructuring expenses		10,922		10,922
Acquisition related expenses			6,123
Total operating expenses	234,933	207,922	660,547	604,745
Income from operations	156,977	136,373	458,187	394,947
Other income (loss), net:
Interest income	415	4,228	2,014	13,677
Interest expense	(12,413)	(7,719)	(23,608)	(22,873)
Other, net	(1,054)	(2,739)	(4,140)	(5,357)
Total other income (loss), net	(19,048)	(6,230)	(35,105)	(14,553)
Income before income taxes	137,929	130,143	423,082	380,394
Income taxes	32,513	20,018	87,291	174,617
Loss attributable to equity method investments (note 6)	(5,996)		(9,371)
Net income	$ 105,416	$ 110,125	$ 335,791	$ 205,777
Basic earnings per share (note 11)	$ 0.74	$ 0.77	$ 2.35	$ 1.44
Diluted earnings per share (note 11)	0.73	0.76	2.33	1.43
Dividend declared per share	$ 0.37	$ 0.35	$ 0.74	$ 1.05
Basic shares outstanding (000's)	143,316,000	142,898,000	142,907,000	142,688,000
Diluted shares outstanding (000's)	144,333,000.00	143,985,000.00	144,344,000.00	143,895,000.00