Credit Agreements (Details)	6 Months Ended						9 Months Ended
	Dec. 31, 2011	Mar. 31, 2012 USD ($)	Mar. 31, 2012 Bank Of America, Wells Fargo And US Bank [Member] USD ($)	Mar. 31, 2012 European Bank [Member] USD ($)	Mar. 31, 2012 European Bank [Member] EUR (€)	Mar. 31, 2011 European Bank [Member] USD ($)	Mar. 31, 2012 U.S. Facility [Member] Capital Stock Of United States Subsidiaries [Member]	Mar. 31, 2012 International Facility [Member] Capital Stock Of Main Operating Ireland Subsidiary [Member]	Mar. 31, 2012 International Facility [Member] Capital Stock Of Remaining Major Foreign Subsidiaries [Member]	Mar. 31, 2012 Borrowings In USD Based [Member]	Mar. 31, 2012 Maximum [Member] Borrowings In Foreign Currency Based [Member]	Mar. 31, 2012 Minimum [Member] Borrowings In Foreign Currency Based [Member]
Line of Credit Facility [Line Items]
Credit agreements	two
Line of credit facility aggregate borrowing capacity			$ 50,000,000	$ 1,300,000	€ 1,000,000
Percentage of capital stock pledged as collateral							100.00%	65.00%	100.00%
Credit agreements amendment date	July 31, 2013
Spread over federal funds rate										50
Spread over LIBOR (basis points)											200	125
Line of credit facility outstanding			0			0
Credit facility used for guarantees			500,000	800,000	600,000
Line of credit facility available for future borrowings			49,500,000
Line of credit facility current borrowing capacity		$ 50,000,000