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REVENUES FROM CONTRACTS WITH CUSTOMERS - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Disaggregation Of Revenue [Line Items]    
Contract liability $ 15.0 $ 17.9
Amortized sales incentive cost $ 6.9  
Contract acquisition costs weighted average life 6 years 3 months 18 days  
Other Current Assets    
Disaggregation Of Revenue [Line Items]    
Capitalization of contract acquisition costs $ 8.5  
Other Noncurrent Assets    
Disaggregation Of Revenue [Line Items]    
Capitalization of contract acquisition costs $ 23.3