Annual report pursuant to Section 13 and 15(d)

Accounts Receivable Securitization - Additional Information (Detail)

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Accounts Receivable Securitization - Additional Information (Detail) (USD $)
1 Months Ended
Sep. 09, 2009
Trade Accounts Receivable Securitization and Sale Program [Line Items]  
Expiration of accounts receivable securitization program $ 37,100