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Subsidiary Guarantors - Additional Information (Detail)
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12 Months Ended |
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Dec. 31, 2013
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Guarantor Subsidiaries
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| Condensed Financial Statements, Captions [Line Items] | |
| Subsidiary ownership percentage | 100.00% |
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Non-Guarantor Subsidiaries
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| Condensed Financial Statements, Captions [Line Items] | |
| Subsidiary ownership percentage | 51.00% |