Acquisition - Schedule of Assets Acquired and Liabilities Assumed as of the Acquisition Date (Detail)
$ in Thousands, CAD in Millions
 9 Months Ended
Aug. 31, 2016
USD ($)
Jul. 10, 2015
CAD
Jul. 10, 2015
USD ($)
Sep. 30, 2016
USD ($)
Sep. 30, 2015
USD ($)
Jan. 22, 2016
USD ($)
Jan. 01, 2016
USD ($)
Dec. 31, 2015
USD ($)
Assets:                
Goodwill       $ 485,054     $ 390,655 $ 390,655
Acquisition Consideration                
Acquisitions, net of cash acquired       $ (528,642) $ (98,816)      
5.11 Tactical                
Assets:                
Cash $ 12,581              
Accounts receivable, net 38,323              
Inventory 163,507              
Property, plant and equipment 22,723              
Intangible assets 127,706              
Goodwill 76,186              
Other current and noncurrent assets 5,316              
Total assets 446,342              
Liabilities and noncontrolling interest:                
Current liabilities 38,229              
Other liabilities 180,231              
Deferred tax liabilities 0              
Noncontrolling interest 5,568              
Total liabilities and noncontrolling interest 224,028              
Net assets acquired 222,314              
Noncontrolling interest 5,568              
Intercompany loans to business 179,237              
Total assets, liabilities, noncontrolling interest, and intercompany loans acquired 407,119              
Acquisition Consideration                
Purchase price 400,000              
Working capital adjustment (910)              
Cash 8,029              
Acquisitions, net of cash acquired (407,119)              
Less: Transaction costs 2,063              
Purchase price, net $ 405,056              
Manitoba Harvest                
Assets:                
Cash     $ 164          
Accounts receivable, net     3,787          
Inventory     8,743          
Property, plant and equipment     8,203          
Intangible assets     63,687          
Goodwill     37,882          
Other current and noncurrent assets     986          
Total assets     123,452          
Liabilities and noncontrolling interest:                
Current liabilities     3,267          
Other liabilities     23,332          
Deferred tax liabilities     16,593          
Noncontrolling interest     7,638          
Total liabilities and noncontrolling interest     50,830          
Net assets acquired     72,622          
Noncontrolling interest     7,638          
Intercompany loans to business     23,593          
Total assets, liabilities, noncontrolling interest, and intercompany loans acquired     103,853          
Acquisition Consideration                
Purchase price     104,437          
Working capital adjustment     (584)          
Acquisitions, net of cash acquired   CAD (130.3) (103,853)          
Less: Transaction costs     1,145          
Purchase price, net     $ 102,708          
Sterno Products | Northern International, Inc.                
Assets:                
Inventory           $ 1,200    
Intangible assets           12,700    
Goodwill           $ 6,000