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Network
2403406 - Disclosure - Estimated Amortization Expense on Intangible Assets (Detail)
(http://www.chrobinson.com/role/EstimatedAmortizationExpenseOnIntangibleAssetsDetail)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001043277 (http://www.sec.gov/CIK)
Disclosure Estimated Amortization Expense On Intangible Assets [Abstract]Period [Axis]
2012-12-31
Disclosure Estimated Amortization Expense On Intangible Assets [Abstract]
 
Estimated amortization expense
 
2013
20,158,000  
2014
18,719,000  
2015
16,939,000  
2016
16,922,000  
2017
16,827,000  
Thereafter
45,971,000  
Net
135,536,000