Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Summary of Total Accounts and Notes Receivable (Detail)

v2.4.0.6
Summary of Significant Accounting Policies - Summary of Total Accounts and Notes Receivable (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Trade $ 176,029 $ 184,817
Notes receivable 650 650
Allowance for doubtful accounts(1) (8,117) (1,544)
Total accounts and notes receivable, net of allowance for bad debt $ 168,562 $ 183,923