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Fair Value Measurements - Schedule of Assets and Liabilities at Fair Value on Recurring Basis (Detail) (USD $)
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Dec. 31, 2014
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Dec. 31, 2013
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
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| Assets at Fair Value |
$ 298,000 |
$ 0 |
| Liabilities at Fair Value |
(4,850,000) |
0 |
| Recurring [Member] |
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
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| Total fair value |
(4,552,000) |
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| Recurring [Member] | Foreign Exchange Forward Contracts [Member] |
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
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| Assets at Fair Value |
298,000 |
|
| Liabilities at Fair Value |
(4,850,000) |
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| Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] |
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Total fair value |
(4,552,000) |
|
| Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Foreign Exchange Forward Contracts [Member] |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Assets at Fair Value |
298,000 |
|
| Liabilities at Fair Value |
$ (4,850,000) |
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