Operating Segment Data - Summary of Net Sales of Operating Segments (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Segment Reporting, Revenue Reconciling Item [Line Items]        
Total consolidated revenues $ 200,770 $ 140,738 $ 525,713 $ 405,524
Total consolidated revenues 252,285 184,830 659,748 528,447
Operating Segments [Member]        
Segment Reporting, Revenue Reconciling Item [Line Items]        
Total consolidated revenues 252,285 184,830 659,748 528,447
Operating Segments [Member] | 5.11 Tactical        
Segment Reporting, Revenue Reconciling Item [Line Items]        
Total consolidated revenues 27,203 0 27,203 0
Operating Segments [Member] | Ergobaby        
Segment Reporting, Revenue Reconciling Item [Line Items]        
Total consolidated revenues 29,664 21,944 75,048 64,104
Operating Segments [Member] | Liberty        
Segment Reporting, Revenue Reconciling Item [Line Items]        
Total consolidated revenues 23,810 23,404 74,713 74,013
Operating Segments [Member] | Manitoba Harvest        
Segment Reporting, Revenue Reconciling Item [Line Items]        
Total consolidated revenues 15,920 8,856 44,321 8,856
Operating Segments [Member] | ACI        
Segment Reporting, Revenue Reconciling Item [Line Items]        
Total consolidated revenues 21,679 22,234 64,945 66,734
Operating Segments [Member] | Arnold Magnetics        
Segment Reporting, Revenue Reconciling Item [Line Items]        
Total consolidated revenues 26,912 32,590 82,791 93,138
Operating Segments [Member] | Clean Earth        
Segment Reporting, Revenue Reconciling Item [Line Items]        
Total consolidated revenues 51,515 44,092 134,035 122,922
Operating Segments [Member] | Sterno Candle Lamp        
Segment Reporting, Revenue Reconciling Item [Line Items]        
Total consolidated revenues 55,582 31,710 156,692 98,680
Reconciliation of Segment to Consolidated [Member] | Corporate and Other        
Segment Reporting, Revenue Reconciling Item [Line Items]        
Total consolidated revenues 0 0 0 0
Non United States [Member] | Operating Segments [Member]        
Segment Reporting, Revenue Reconciling Item [Line Items]        
Total consolidated revenues 49,950 29,716 117,804 77,641
Non United States [Member] | Operating Segments [Member] | 5.11 Tactical        
Segment Reporting, Revenue Reconciling Item [Line Items]        
Total consolidated revenues 6,141 0 6,141 0
Non United States [Member] | Operating Segments [Member] | Ergobaby        
Segment Reporting, Revenue Reconciling Item [Line Items]        
Total consolidated revenues 16,701 12,829 40,660 36,059
Non United States [Member] | Operating Segments [Member] | Manitoba Harvest        
Segment Reporting, Revenue Reconciling Item [Line Items]        
Total consolidated revenues 8,573 5,206 20,983 5,206
Non United States [Member] | Operating Segments [Member] | Arnold Magnetics        
Segment Reporting, Revenue Reconciling Item [Line Items]        
Total consolidated revenues 12,208 10,798 33,654 33,812
Non United States [Member] | Operating Segments [Member] | Sterno Candle Lamp        
Segment Reporting, Revenue Reconciling Item [Line Items]        
Total consolidated revenues $ 6,327 $ 883 $ 16,366 $ 2,564