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Subsequent Event - Additional Information (Detail) - USD ($)
Aug. 09, 2017
Feb. 15, 2013
Jun. 22, 2012
Subsequent Event [Line Items]      
Asset based lending facility from PNC Bank   $ 40,000,000 $ 50,000,000
Subsequent Event [Member] | PNC Bank [Member]      
Subsequent Event [Line Items]      
Asset based lending facility from PNC Bank $ 150,000,000    
Subsequent Event [Member] | GSO Capital Partners LP [Member] | Minimum [Member]      
Subsequent Event [Line Items]      
New term loan from GSO Capital Partners LP 95,000,000    
Subsequent Event [Member] | GSO Capital Partners LP [Member] | Maximum [Member]      
Subsequent Event [Line Items]      
New term loan from GSO Capital Partners LP 110,000,000    
Subsequent Event [Member] | Airgas Refrigerants, Inc. [Member]      
Subsequent Event [Line Items]      
Transaction valued on gross basis $ 220,000,000