Condensed Consolidated Balance Sheets (Parenthetical) (Unaudited) In Thousands, except Share data	Sep. 30, 2011 USD ($)	Sep. 30, 2011 EUR (€)	Jun. 30, 2011 USD ($)	Jun. 30, 2011 EUR (€)
Current assets:
Allowances on accounts receivable	$ 183		$ 243
Shareholders' equity:
Preferred shares, par value		€ 0.01		€ 0.01
Preferred shares, shares authorized	120,000,000	120,000,000	120,000,000	120,000,000
Preferred shares, shares issued
Preferred shares, shares outstanding
Ordinary shares, par value		€ 0.01		€ 0.01
Ordinary shares, shares authorized	120,000,000	120,000,000	120,000,000	120,000,000
Ordinary shares, shares issued	49,950,289	49,950,289	49,950,289	49,950,289
Ordinary shares, shares outstanding	40,151,267	40,151,267	43,144,718	43,144,718
Treasury shares	9,799,022	9,799,022	6,805,571	6,805,571