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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Stock Option Plans, Narrative) (Details)
shares in Millions
9 Months Ended 12 Months Ended
Dec. 02, 2013
tranche
$ / shares
shares
Dec. 02, 2013
$ / shares
shares
Sep. 30, 2016
tranche
Dec. 31, 2017
people
Dec. 31, 2009
shares
Performance Shares [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares available under plan | shares         2.4
Stock Options [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Maximum term of options         5 years
Restricted Stock Units (RSUs) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Holding Period       6 months  
Minimum [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of independent Board Members | people       2  
Number of awards available for grant | people       1  
Algar, Inc. [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Granted, Shares | shares 1.5 1.5      
Exercise price (USD per Share) | $ / shares $ 5.00 $ 5.00      
Number of tranches | tranche 4        
Number of tranches subject to performance condition evaluation | tranche     2