Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	3 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Operating activities
Net income	$ 8,172	$ 10,781
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	13,107	12,128
Loss on sale, disposal, or impairment of long-lived assets	26	11
Amortization of premiums and discounts on marketable securities		83
Share-based compensation expense	4,723	5,371
Excess tax benefits derived from share-based compensation awards	(134)	(149)
Deferred income taxes	(253)	(70)
Changes in operating assets and liabilities:
Accounts receivable	309	(1,376)
Inventory	(442)	(498)
Prepaid expenses and other assets	(1,221)	(894)
Accounts payable	(1,951)	(5,106)
Accrued expenses and other liabilities	8,205	(1,479)
Net cash provided by operating activities	30,541	18,802
Investing activities
Purchases of property, plant and equipment	(10,998)	(14,147)
Maturities and redemptions of marketable securities	529	1,900
Purchases of intangible assets	(89)
Capitalization of software and website development costs	(1,682)	(1,791)
Net cash used in investing activities	(12,240)	(14,038)
Financing activities
Repayments of long-term debt		(333)
Payments of withholding taxes in connection with vesting of restricted share units	(1,075)	(1,287)
Repurchases of ordinary shares	(91,088)
Excess tax benefits derived from share-based compensation awards	134	149
Proceeds from issuance of shares	69	661
Net cash used in financing activities	(91,960)	(810)
Effect of exchange rate changes on cash	(1,801)	2,301
Net (decrease) increase in cash and cash equivalents	(75,460)	6,255
Cash and cash equivalents at beginning of period	236,552	162,727
Cash and cash equivalents at end of period	$ 161,092	$ 168,982