Derivatives - Additional Information (Detail) (USD $)	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Derivative [Line Items]
Foreign exchange losses due to revaluation of derivative instruments held			$ 1,400,000
Number of interest rate swap contracts	1
Interest Rate Risk Management [Member]
Derivative [Line Items]
Maturity date	Sep. 30, 2013
Notional amount of interest rate derivatives		19,700,000
Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Forward contracts, maturity period	December 2014	October 2013
Forward contracts maturing within 12 months	363,400,000	330,900,000
Fair value of foreign currency derivatives not designated as hedges, assets		1,200,000
Fair value of foreign currency derivatives not designated as hedges, liabilities	1,400,000
Minimum [Member]
Derivative [Line Items]
Foreign exchange contracts maturity period, years	2 years
Maximum [Member]
Derivative [Line Items]
Foreign exchange contracts maturity period, years	5 years
Cash Flow Hedging [Member]
Derivative [Line Items]
Fair value of forward contracts	1,467,700,000	479,800,000
Forward contracts, maturity period	June 2018	June 2014
Ineffectiveness recognized	2,000,000
Fair value of derivatives contracts	19,900,000	11,600,000
Amount expected to be reclassified from AOCI to earnings within the next 12 months	6,900,000
Recognized net gains (loss) related to the change in forward points	600,000	2,700,000	4,300,000
Cash Flow Hedging [Member] | Maximum [Member]
Derivative [Line Items]
Ineffectiveness recognized		$ 100,000	$ 100,000