Derivatives - Summary of Fair Value Amounts of Derivative Instruments (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Jun. 30, 2012
Derivative [Line Items]
Fair Value Asset Net	$ 13,317	$ 37,592
Other current assets [Member] | Foreign exchange contracts [Member] | Cash Flow Hedging [Member] | Designated as hedging instrument [Member]
Derivative [Line Items]
Fair Value Assets	16,930	30,761
Other current assets [Member] | Foreign exchange contracts [Member] | Economic Hedges, Gross [Member] | Designated as hedging instrument [Member]
Derivative [Line Items]
Fair Value Assets	3,227	9,864
Accrued liabilities [Member] | Foreign exchange contracts [Member] | Cash Flow Hedging [Member] | Designated as hedging instrument [Member]
Derivative [Line Items]
Fair Value Liabilities	964	979
Accrued liabilities [Member] | Foreign exchange contracts [Member] | Economic Hedges, Gross [Member] | Designated as hedging instrument [Member]
Derivative [Line Items]
Fair Value Liabilities	5,363	1,057
Accrued liabilities [Member] | Interest rate swap [Member] | Cash Flow Hedging [Member] | Designated as hedging instrument [Member]
Derivative [Line Items]
Fair Value Liabilities	513	712
Other non-current liabilities [Member] | Interest rate swap [Member] | Cash Flow Hedging [Member] | Designated as hedging instrument [Member]
Derivative [Line Items]
Fair Value Liabilities	0	285
Total liabilities [Member] | Cash Flow Hedging [Member] | Designated as hedging instrument [Member]
Derivative [Line Items]
Fair Value Liabilities	1,477	1,976
Net (liability)/asset [Member] | Economic Hedges, Gross [Member] | Designated as hedging instrument [Member]
Derivative [Line Items]
Fair Value Assets	(2,136)	8,807
Net (liability)/asset [Member] | Hedging instruments [Member] | Cash Flow Hedging [Member] | Designated as hedging instrument [Member]
Derivative [Line Items]
Fair Value Asset Net	$ 15,453	$ 28,785