Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Jun. 30, 2013
Current assets:
Cash and cash equivalents	$ 905,730	$ 876,048
Accounts receivable, net of allowance for doubtful accounts of $10,971 and $9,912 at June 30, 2014 and June 30, 2013, respectively	359,593	318,349
Inventories (note 5)	165,418	145,847
Deferred income taxes (note 14)	31,908	38,552
Income taxes receivable	14,853	8,910
Prepaid expenses and other current assets	78,707	61,143
Total current assets	1,556,209	1,448,849
Non-current assets:
Property, plant and equipment, net (note 6)	434,277	411,433
Goodwill and other intangible assets, net (note 7)	334,510	324,468
Deferred income taxes (note 14)	18,755	20,053
Other assets	17,211	5,918
Total non-current assets	804,753	761,872
Total assets	2,360,962	2,210,721
Current liabilities:
Accounts payable	85,405	60,688
Accrued expenses (note 9)	130,656	137,674
Deferred revenue	42,370	44,953
Income taxes payable	10,392	30,090
Deferred income taxes (note 14)	717	627
Current portion of long-term debt (note 11)	18	300,017
Total current liabilities	269,558	574,049
Non-current liabilities:
Deferred income taxes (note 14)	10,716	9,895
Deferred revenue	16,352	11,928
Long-term debt (note 11)	300,770	769
Income taxes payable	5,318	3,564
Total non-current liabilities	333,156	26,156
Total liabilities	602,714	600,205
Commitments and contingencies (notes 18 and 19)
Stockholders' equity: (note 12)
Preferred stock, $0.01 par value, 2,000,000 shares authorized; none issued
Common stock, $0.004 par value, 350,000,000 shares authorized; 176,747,039 issued and 140,304,544 outstanding at June 30, 2014 and 174,038,766 issued and 142,013,753 outstanding at June 30, 2013	561	568
Additional paid-in capital	1,117,644	1,025,064
Retained earnings	1,780,396	1,576,641
Treasury stock, at cost, 36,442,495 shares at June 30, 2014, and 32,026,013 shares at June 30, 2013	(1,291,910)	(1,083,845)
Accumulated other comprehensive income	151,557	92,088
Total stockholders' equity	1,758,248	1,610,516
Total liabilities and stockholders' equity	$ 2,360,962	$ 2,210,721