Derivatives (Narrative) (Detail) (USD $)	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Derivative [Line Items]
Foreign exchange losses due to revaluation of derivative instruments held	$ 1,400,000
Fair value of foreign currency derivatives not designated as hedges, asset	37,592,000	(36,103,000)
Number of interest rate swap contracts	1
Interest Rate Risk Management [Member]
Derivative [Line Items]
Ineffectiveness recognized	100,000	100,000	100,000
Amount expected to be reclassified from AOCI to earnings within the next 12 months	700,000
Notional amount of interest rate derivatives	20,300,000	24,500,000
Not Designated As Hedging Instrument [Member]
Derivative [Line Items]
Foreign contracts maturing within 12 months	154,800,000	207,500,000
Fair value of foreign currency derivatives not designated as hedges, asset	8,800,000
Fair value of foreign currency derivatives not designated as hedges, liability		9,700,000
Cash Flow Hedging [Member]
Derivative [Line Items]
Foreign contracts maturing within 12 months	638,300,000	528,400,000
Ineffectiveness recognized	100,000	100,000	100,000
Fair value of derivatives contracts	29,800,000	25,200,000
Amount expected to be reclassified from AOCI to earnings within the next 12 months	37,100,000
Recognized net gain (losses) related to the change in forward points	$ 4,300,000	$ 1,200,000	$ 100,000
Maximum [Member]
Derivative [Line Items]
Foreign exchange contracts maturity period, years	1