Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Jun. 30, 2012
Current assets:
Cash and cash equivalents	$ 876,048	$ 809,541
Accounts receivable, net of allowance for doubtful accounts of $9,912 and $7,313 at June 30, 2013 and June 30, 2012, respectively	318,349	283,160
Inventories (note 5)	145,847	174,351
Deferred income taxes (note 14)	38,552	19,590
Income taxes receivable	8,910	2,282
Prepaid expenses and other current assets	61,143	72,227
Total current assets	1,448,849	1,361,151
Non-current assets:
Property, plant and equipment, net (note 6)	411,433	434,363
Goodwill and other intangible assets, net (note 7)	324,468	311,036
Deferred income taxes (note 14)	20,053	23,500
Other assets	5,918	7,819
Total non-current assets	761,872	776,718
Total assets	2,210,721	2,137,869
Current liabilities:
Accounts payable	60,688	55,006
Accrued expenses (note 9)	137,674	127,381
Deferred revenue	44,953	41,563
Income taxes payable	30,090	27,777
Deferred income taxes (note 14)	627	1,073
Current portion of long-term debt (note 11)	300,017	52
Total current liabilities	574,049	252,852
Non-current liabilities:
Deferred income taxes (note 14)	9,895	8,843
Deferred revenue	11,928	14,384
Long-term debt (note 11)	769	250,783
Income taxes payable	3,564	3,380
Total non-current liabilities	26,156	277,390
Total liabilities	600,205	530,242
Stockholders' equity: (note 12)
Common stock, $0.004 par value, 350,000,000 shares authorized; 174,038,766 issued and 142,013,753 outstanding at June 30, 2013 and 169,752,781 issued and 142,021,032 outstanding at June 30, 2012	568	568
Additional paid-in capital	1,025,064	899,717
Retained earnings	1,576,641	1,366,712
Treasury stock, at cost, 32,026,013 shares at June 30, 2013, and 27,731,749 shares at June 30, 2012	(1,083,845)	(895,826)
Accumulated other comprehensive income	92,088	236,456
Total stockholders' equity	1,610,516	1,607,627
Total liabilities and stockholders' equity	$ 2,210,721	$ 2,137,869