Operating Segment Data - Revenues from Geographic Locations Outside Domestic Country (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Revenues from External Customers and Long-Lived Assets [Line Items]        
International revenues $ 200,770 $ 140,738 $ 525,713 $ 405,524
Operating Segments [Member]        
Revenues from External Customers and Long-Lived Assets [Line Items]        
International revenues 252,285 184,830 659,748 528,447
Operating Segments [Member] | 5.11 Tactical        
Revenues from External Customers and Long-Lived Assets [Line Items]        
International revenues 27,203 0 27,203 0
Operating Segments [Member] | Ergobaby        
Revenues from External Customers and Long-Lived Assets [Line Items]        
International revenues 29,664 21,944 75,048 64,104
Operating Segments [Member] | Manitoba Harvest        
Revenues from External Customers and Long-Lived Assets [Line Items]        
International revenues 15,920 8,856 44,321 8,856
Operating Segments [Member] | Arnold Magnetics        
Revenues from External Customers and Long-Lived Assets [Line Items]        
International revenues 26,912 32,590 82,791 93,138
Operating Segments [Member] | Sterno Candle Lamp        
Revenues from External Customers and Long-Lived Assets [Line Items]        
International revenues 55,582 31,710 156,692 98,680
Operating Segments [Member] | Non United States [Member]        
Revenues from External Customers and Long-Lived Assets [Line Items]        
International revenues 49,950 29,716 117,804 77,641
Operating Segments [Member] | Non United States [Member] | 5.11 Tactical        
Revenues from External Customers and Long-Lived Assets [Line Items]        
International revenues 6,141 0 6,141 0
Operating Segments [Member] | Non United States [Member] | Ergobaby        
Revenues from External Customers and Long-Lived Assets [Line Items]        
International revenues 16,701 12,829 40,660 36,059
Operating Segments [Member] | Non United States [Member] | Manitoba Harvest        
Revenues from External Customers and Long-Lived Assets [Line Items]        
International revenues 8,573 5,206 20,983 5,206
Operating Segments [Member] | Non United States [Member] | Arnold Magnetics        
Revenues from External Customers and Long-Lived Assets [Line Items]        
International revenues 12,208 10,798 33,654 33,812
Operating Segments [Member] | Non United States [Member] | Sterno Candle Lamp        
Revenues from External Customers and Long-Lived Assets [Line Items]        
International revenues $ 6,327 $ 883 $ 16,366 $ 2,564