Quarterly report pursuant to Section 13 or 15(d)

Restructuring Activities - Additional Information (Detail)

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Restructuring Activities - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2018
Dec. 31, 2017
Restructuring Cost and Reserve [Line Items]    
Accrued restructuring costs [1] $ 1.4 $ 1.8
Reduction in liability $ (1.4)  
Restructuring Plan 2017    
Restructuring Cost and Reserve [Line Items]    
Description of restructuring activities We (i) consolidated the operations of three divisions into one, (ii) consolidated sales, purchasing, bidding and proposal and accounting functions, (iii) expanded and refocused our marketing resources, including changes to key management positions at certain divisions, and (iii) exited certain product lines and related operations, including the eliminations of a number of warehouse locations.  
[1] See Note 14 for additional information regarding restructuring activities.