Annual report pursuant to Section 13 and 15(d)

Intangible Assets Net (Parenthetical) (Detail)

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Intangible Assets Net (Parenthetical) (Detail) (Vendor Contract, USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Vendor Contract
 
Goodwill [Line Items]  
Write-off of vendor contract $ 549