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Restructuring - Additional Information (Detail) - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Restructuring Cost and Reserve [Line Items]    
Restructuring reserve, current $ 866 $ 1,044
Restructuring reserve, noncurrent 400  
2013 Initiatives    
Restructuring Cost and Reserve [Line Items]    
Total expected cost 6,600  
2015 Initiatives    
Restructuring Cost and Reserve [Line Items]    
Total expected cost 4,600  
2016 Initiatives    
Restructuring Cost and Reserve [Line Items]    
Total expected cost $ 700