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Restructuring and Integration - Summary of Restructuring and Integration Charges and Reserve Activity (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Restructuring Cost and Reserve [Line Items]    
Severance and other employee costs $ 728 $ 11
Other 27  
Total 755 11
Reserve beginning balance 1,099  
Charges 755  
Non-cash Adjustments (31)  
Cash Reductions (678)  
Reserve ending balance 1,145  
Severance and Other Employee Costs [Member]    
Restructuring Cost and Reserve [Line Items]    
Charges 728  
Cash Reductions (95)  
Reserve ending balance 633  
Site Closure and Other Associated Costs [Member]    
Restructuring Cost and Reserve [Line Items]    
Reserve beginning balance 1,099  
Charges 27  
Non-cash Adjustments (31)  
Cash Reductions (583)  
Reserve ending balance 512  
Mobile Solutions [Member]    
Restructuring Cost and Reserve [Line Items]    
Severance and other employee costs   11
Other 27  
Total 27 $ 11
Corporate and Consolidations [Member]    
Restructuring Cost and Reserve [Line Items]    
Severance and other employee costs 728  
Total $ 728