Information Related to Recurring Fair Value Measurement of Derivative Instruments (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013
Derivative Asset Fair Value Net
Asset Derivatives, Fair Value, Total	$ 2,586
Fair Value, Inputs, Level 2 | Foreign Currency Derivatives
Derivative Liability Fair Value Net
Net Asset/(Liabilities)	2,298
Fair Value, Inputs, Level 2 | Foreign Currency Derivatives | Noncurrent Assets
Derivative Asset Fair Value Net
Asset Derivatives, Fair Value, Total	2,463
Fair Value, Inputs, Level 2 | Currency Related Swap | Noncurrent Liabilities
Derivative Liability Fair Value Net
Net Asset/(Liabilities)	(12,304)
Fair Value, Inputs, Level 2 | Not a hedge | Foreign Currency Derivatives
Derivative Liability Fair Value Net
Liability Derivatives, Fair value	(288)
Fair Value, Inputs, Level 2 | Not a hedge | Foreign Currency Derivatives | Current Assets
Derivative Liability Fair Value Net
Net Asset/(Liabilities)	118
Fair Value, Inputs, Level 2 | Not a hedge | Foreign Currency Derivatives | Noncurrent Assets
Derivative Liability Fair Value Net
Net Asset/(Liabilities)	2,463
Fair Value, Inputs, Level 2 | Not a hedge | Foreign Currency Derivatives | Current Liabilities
Derivative Liability Fair Value Net
Liability Derivatives, Fair value	(288)
Net Asset/(Liabilities)	(283)
Fair Value, Inputs, Level 2 | Not a hedge | Currency Related Swap
Derivative Liability Fair Value Net
Liability Derivatives, Fair value	(12,304)
Fair Value, Inputs, Level 2 | Not a hedge | Currency Related Swap | Current Liabilities
Derivative Liability Fair Value Net
Liability Derivatives, Fair value	(2,300)
Fair Value, Inputs, Level 2 | Not a hedge | Currency Related Swap | Noncurrent Liabilities
Derivative Liability Fair Value Net
Liability Derivatives, Fair value	(10,004)
Fair Value, Inputs, Level 2 | Designated as Hedging Instrument | Interest Rate Swap | Current Liabilities
Derivative Liability Fair Value Net
Liability Derivatives, Fair value	(149)
Net Asset/(Liabilities)	(149)
Fair Value, Inputs, Level 2 | Contract One | Not a hedge | Foreign Currency Derivatives | Current Assets
Derivative Asset Fair Value Net
Asset Derivatives, Fair Value, Total	5
Fair Value, Inputs, Level 2 | Contract Two | Not a hedge | Foreign Currency Derivatives | Current Assets
Derivative Asset Fair Value Net
Asset Derivatives, Fair Value, Total	$ 118