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COMMITMENTS AND CONTINGENCIES (Details)
$ in Millions
9 Months Ended
Sep. 30, 2018
USD ($)
Commitments  
Purchase obligations $ 4.1
Changes in the Carrying Amount of the Warranty Accrual  
Beginning balance 9.5
Accruals related to product warranties 6.7
Additions related to acquisitions 0.1
Reductions for payments made (7.7)
Ending balance $ 8.6
Minimum  
Product Warranty Liability  
Standard warranty obligation term (in years) 2 years
Standard installation warranty obligation term (in years) 1 year
Maximum  
Product Warranty Liability  
Standard warranty obligation term (in years) 5 years
Standard installation warranty obligation term (in years) 5 years