Consolidated Statements Of Income (USD $) In Thousands, except Per Share data	12 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009
Consolidated Statements Of Income
Net revenues	$ 1,243,148	$ 1,092,357	$ 920,735
Cost of sales	501,822	436,874	366,933
Gross profit	741,326	655,483	553,802
Operating expenses:
Selling, general and administrative	371,249	328,858	289,875
Research and development	92,007	75,202	63,056
Donations to research foundations	1,000	3,000	3,500
Amortization of acquired intangible assets	10,146	8,041	7,060
Total operating expenses	474,402	415,101	363,491
Income from operations	266,924	240,382	190,311
Other income:
Interest income, net	26,043	14,029	10,205
Other, net (note 12)	10,740	6,178	1,168
Total other income, net	36,783	20,207	11,373
Income before income taxes	303,707	260,589	201,684
Income taxes (note 13)	76,721	70,504	55,236
Net income	$ 226,986	$ 190,085	$ 146,448
Basic earnings per share	$ 1.49	$ 1.26	$ 0.97
Diluted earnings per share (note 2-j)	$ 1.44	$ 1.23	$ 0.95
Basic weighted average shares outstanding	152,471	150,908	151,258
Diluted weighted average shares outstanding	157,195	155,098	154,226