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Fair Value Measurements - Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Detail) (USD $)
In Thousands, unless otherwise specified
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Mar. 31, 2014
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Dec. 31, 2013
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
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|
| Contingent consideration |
$ (26,601) |
$ (26,303) |
| Derivative Assets (Liabilities) |
(2,392) |
(4,502) |
| Total |
(28,993) |
(30,805) |
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Foreign currency forward contracts [Member]
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|
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
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| Derivative Assets (Liabilities) |
3,609 |
5,374 |
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Interest rate swap contracts [Member]
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|
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
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| Derivative Assets (Liabilities) |
(7,658) |
(11,533) |
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Contingent call option, 2019 Notes [Member]
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|
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
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| Derivative Assets (Liabilities) |
1,657 |
1,657 |
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Fair Value, Inputs, Level 1 [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
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| Contingent consideration |
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|
| Derivative Assets (Liabilities) |
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|
| Total |
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|
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Fair Value, Inputs, Level 1 [Member] | Foreign currency forward contracts [Member]
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|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Derivative Assets (Liabilities) |
|
|
|
Fair Value, Inputs, Level 1 [Member] | Interest rate swap contracts [Member]
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Derivative Assets (Liabilities) |
|
|
|
Fair Value, Inputs, Level 1 [Member] | Contingent call option, 2019 Notes [Member]
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|
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Derivative Assets (Liabilities) |
|
|
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Fair Value, Inputs, Level 2 [Member]
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|
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Contingent consideration |
|
|
| Derivative Assets (Liabilities) |
(4,049) |
(6,159) |
| Total |
(4,049) |
(6,159) |
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Fair Value, Inputs, Level 2 [Member] | Foreign currency forward contracts [Member]
|
|
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Derivative Assets (Liabilities) |
3,609 |
5,374 |
|
Fair Value, Inputs, Level 2 [Member] | Interest rate swap contracts [Member]
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Derivative Assets (Liabilities) |
(7,658) |
(11,533) |
|
Fair Value, Inputs, Level 2 [Member] | Contingent call option, 2019 Notes [Member]
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Derivative Assets (Liabilities) |
|
|
|
Fair Value, Inputs, Level 3 [Member]
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|
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Contingent consideration |
(26,601) |
(26,303) |
| Derivative Assets (Liabilities) |
1,657 |
1,657 |
| Total |
(24,944) |
(24,646) |
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Fair Value, Inputs, Level 3 [Member] | Foreign currency forward contracts [Member]
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|
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
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| Derivative Assets (Liabilities) |
|
|
|
Fair Value, Inputs, Level 3 [Member] | Interest rate swap contracts [Member]
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Derivative Assets (Liabilities) |
|
|
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Fair Value, Inputs, Level 3 [Member] | Contingent call option, 2019 Notes [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
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| Derivative Assets (Liabilities) |
$ 1,657 |
$ 1,657 |