Consolidated Balance Sheets (USD $) In Thousands	Jun. 30, 2011	Jun. 30, 2010
Current assets:
Cash and cash equivalents	$ 236,552	$ 162,727
Marketable securities	529	9,604
Accounts receivable, net of allowances of $243 and $53, respectively	13,389	9,389
Inventory	8,377	6,223
Prepaid expenses and other current assets	13,444	15,059
Total current assets	272,291	203,002
Property, plant and equipment, net	262,104	249,961
Software and web site development costs, net	6,046	6,426
Deferred tax assets	6,522	7,277
Other assets	8,937	11,223
Total assets	555,900	477,889
Current liabilities:
Accounts payable	15,998	16,664
Accrued expenses	68,989	65,609
Deferred revenue	8,819	4,138
Current portion of long-term debt	0	5,222
Total current liabilities	93,806	91,633
Deferred tax liabilities	3,794	3,151
Other liabilities	8,207	6,991
Total liabilities	105,807	101,775
Commitments and contingencies (Note 12)
Shareholders' equity:
Preferred shares, par value 0.01 per share, 120,000,000 shares authorized; none issued and outstanding.	0	0
Ordinary shares, par value 0.01 per share, 120,000,000 shares authorized; 49,950,289 and 49,891,244 shares issued and 43,144,718 and 43,855,164 shares outstanding, respectively	699	698
Treasury shares, at cost, 6,805,571 and 6,036,080 shares, respectively	(85,377)	(29,637)
Additional paid-in capital	273,260	249,153
Retained earnings	248,634	166,525
Accumulated other comprehensive income (loss)	12,877	(10,625)
Total shareholders' equity	450,093	376,114
Total liabilities and shareholders' equity	$ 555,900	$ 477,889