XML 68 R50.htm IDEA: XBRL DOCUMENT v3.3.1.900
Summary of Significant Accounting Policies and Nature of Business - Additional Information (Detail) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Change in Accounting Estimate [Line Items]      
Investments in unconsolidated affiliates, equity method 50.00%    
Inventory on consignment $ 12,300,000 $ 17,300,000  
Interest expense capitalized 1,100,000 1,500,000 $ 700,000
Depreciation expense 175,300,000 169,700,000 147,100,000
Asset retirement obligations recorded in other non-current liabilities 31,600,000 26,400,000  
Asset retirement obligations recorded in other current liabilities 300,000 0  
Advertising and promotion expenses 17,400,000 18,700,000 $ 14,200,000
ABL Revolver [Member]      
Change in Accounting Estimate [Line Items]      
"ABL Revolver" outstanding balance $ 0 $ 0  
Maximum [Member]      
Change in Accounting Estimate [Line Items]      
Investments in unconsolidated affiliates, cost method 20.00%