Annual report pursuant to Section 13 and 15(d)

Accrued Expenses - Summary of Accrued Expenses (Detail)

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Accrued Expenses - Summary of Accrued Expenses (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Component of Operating Other Cost and Expense [Line Items]    
Accrued inventory purchases $ 18,368 $ 1,518
Accrued payroll and related taxes 18,425 15,399
Accrued interest 130 77
Accrued expenses $ 36,923 $ 16,994