Derivative Financial Instruments (Details) (USD $)	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Derivative Financial Instruments [Abstract]
Longest outstanding maturity for derivative contracts at the most recent balance sheet date.	five months
Derivative Other Comprehensive Income Pretax	$ 400,000
Notional Amount of Derivatives	66,400,000	69,300,000	87,700,000
Derivative, Fair Value, Net	400,000	2,500,000
Summary Of Non Hedged Derivative Instruments Impact On Results Of Operations [Abstract]
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments	1,399,000	2,976,000	1,519,000
Notional Amount of Foreign Currency Derivative Instruments Not Designated as Hedging Instruments	59,100,000	22,500,000	1,500,000
Cash Flow Hedging [Member]
Summary Of Hedged Derivative Instruments Impact On Results Of Operations [Abstract]
Gain (loss) recognized in OCI (effective portion)	(732,000)	4,323,000	(3,542,000)
Loss reclassified from OCI into income (effective portion)	798,000	(890,000)	(266,000)
Gain (loss) recognized in income (ineffective portion and amount excluded from effectiveness testing)	(2,000)	125,000	(97,000)
Other Current Assets [Member]
Asset derivatives
Derivative Asset, Fair Value, Net	713,000	2,665,000
Accounts Payable Accrued Liabilities And Deferred Income [Member]
Liability derivatives
Derivative Liability, Fair Value	(329,000)	(137,000)
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member]
Summary Of Hedged Derivative Instruments Impact On Results Of Operations [Abstract]
Gain (loss) recognized in OCI (effective portion)	(732,000)	4,323,000	(3,335,000)
Foreign Exchange Forward [Member] | General and Administrative Expense [Member]
Summary Of Non Hedged Derivative Instruments Impact On Results Of Operations [Abstract]
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments		2,976,000	1,869,000
Foreign Exchange Forward [Member] | General and Administrative Expense [Member] | Cash Flow Hedging [Member]
Summary Of Hedged Derivative Instruments Impact On Results Of Operations [Abstract]
Loss reclassified from OCI into income (effective portion)	798,000	(683,000)	(266,000)
Gain (loss) recognized in income (ineffective portion and amount excluded from effectiveness testing)	(2,000)	125,000	(65,000)
Summary Of Non Hedged Derivative Instruments Impact On Results Of Operations [Abstract]
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments	1,399,000
Foreign Exchange Forward [Member] | Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Asset derivatives
Derivative Asset, Fair Value, Net	408,000	2,073,000
Foreign Exchange Forward [Member] | Designated as Hedging Instrument [Member] | Accounts Payable Accrued Liabilities And Deferred Income [Member]
Liability derivatives
Derivative Liability, Fair Value	0	(114,000)
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Asset derivatives
Derivative Asset, Fair Value, Net	305,000	592,000
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Accounts Payable Accrued Liabilities And Deferred Income [Member]
Liability derivatives
Derivative Liability, Fair Value	(329,000)	(23,000)
Foreign Exchange Option [Member] | Cash Flow Hedging [Member]
Summary Of Hedged Derivative Instruments Impact On Results Of Operations [Abstract]
Gain (loss) recognized in OCI (effective portion)	0	0	(207,000)
Foreign Exchange Option [Member] | General and Administrative Expense [Member]
Summary Of Non Hedged Derivative Instruments Impact On Results Of Operations [Abstract]
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments	0	0	(350,000)
Foreign Exchange Option [Member] | General and Administrative Expense [Member] | Cash Flow Hedging [Member]
Summary Of Hedged Derivative Instruments Impact On Results Of Operations [Abstract]
Loss reclassified from OCI into income (effective portion)	0	(207,000)	0
Gain (loss) recognized in income (ineffective portion and amount excluded from effectiveness testing)	$ 0	$ 0	$ (32,000)