Fair Value Measurements - Fair Value of Financial Assets and Liabilities Measured on Recurring Basis (Detail) (Recurring Fair Value Measurements, USD $) In Thousands, unless otherwise specified	Jun. 30, 2013
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Fair value of assets	$ 2,530
Fair value of liabilities	33,118
Marketable equity securities
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Fair value of assets	2,496
Warrants
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Fair value of assets	34
Foreign exchange forward contracts
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Fair value of liabilities	1,160
Interest rate swaps
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Fair value of liabilities	28,550
Contingent Consideration
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Fair value of liabilities	3,408
Level 1
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Fair value of assets	2,496
Level 1 | Marketable equity securities
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Fair value of assets	2,496
Level 2
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Fair value of liabilities	29,710
Level 2 | Foreign exchange forward contracts
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Fair value of liabilities	1,160
Level 2 | Interest rate swaps
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Fair value of liabilities	28,550
Level 3
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Fair value of assets	34
Fair value of liabilities	3,408
Level 3 | Warrants
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Fair value of assets	34
Level 3 | Contingent Consideration
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Fair value of liabilities	$ 3,408