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Acquisitions and Dispositions - Additional Information (Detail) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 6 Months Ended
Sep. 30, 2016
May 31, 2016
Jun. 30, 2017
Jun. 30, 2017
Acquisitions and Dispositions [Line Items]        
Loss on sale of product line     $ 2.4 $ 2.4
TCL Manufacturing Ltd [Member]        
Acquisitions and Dispositions [Line Items]        
Business acquisition purchase price $ 166.0      
Business acquisition, liabilities assumed $ 3.0      
Goodwill expected to be deductible for income tax purposes     $ 48.0 $ 48.0
Riobel [Member]        
Acquisitions and Dispositions [Line Items]        
Payment to acquire business   $ 94.6