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Income Taxes - Additional Information (Detail) (USD $)
 1 Months Ended 12 Months Ended
Jan. 01, 2010
Dec. 31, 2013
Dec. 31, 2010
Income Taxes [Line Items]      
Domestic Production Activities Deduction     9.00%
Permanent difference, domestic production activities deduction   $ 10,000,000  
Other deferred tax assets   34,400,000  
State net operating losses   177,000,000  
Unrecognized tax benefits   0  
Reduction in deferred tax liabilities due to statutory tax rates in Canada being lower than those in the United States (5,100,000)    
Unremitted Foreign Earnings   38,500,000  
Unrecognized deferred tax liability associated with undistributed foreign earnings   5,900,000  
State and Local Jurisdiction | Expire in 2015
      
Income Taxes [Line Items]      
Net operating losses carried forward   260,000  
State and Local Jurisdiction | Expire in 2016
      
Income Taxes [Line Items]      
Net operating losses carried forward   8,300,000  
State and Local Jurisdiction | Expire in 2025
      
Income Taxes [Line Items]      
Net operating losses carried forward   1,600,000  
State and Local Jurisdiction | Expire in 2026
      
Income Taxes [Line Items]      
Net operating losses carried forward   6,000,000  
State and Local Jurisdiction | Expire in 2028
      
Income Taxes [Line Items]      
Net operating losses carried forward   12,700,000  
State and Local Jurisdiction | Expiring in 2029
      
Income Taxes [Line Items]      
Net operating losses carried forward   33,700,000  
State and Local Jurisdiction | Expiring in 2030
      
Income Taxes [Line Items]      
Net operating losses carried forward   26,200,000  
State and Local Jurisdiction | Expire in 2031
      
Income Taxes [Line Items]      
Net operating losses carried forward   $ 88,200,000  
U.S.
      
Income Taxes [Line Items]      
Tax periods open for examination   Tax years ended December 31, 2010 through December 31, 2012  
U.S. | Minimum
      
Income Taxes [Line Items]      
Tax period open for examination   2010  
U.S. | Maximum
      
Income Taxes [Line Items]      
Tax period open for examination   2012  
Canada
      
Income Taxes [Line Items]      
Tax periods open for examination   Tax years ended December 31, 2009 through December 31, 2012  
Canada | Minimum
      
Income Taxes [Line Items]      
Tax period open for examination   2009  
Canada | Maximum
      
Income Taxes [Line Items]      
Tax period open for examination   2012