SUBSEQUENT EVENTS Fees and Rates Under Amended Credit Facility (Details) - Subsequent Event [Member] - Amended Credit Agreement [Member]	Feb. 04, 2019
Consolidated Leverage Ratio: Greater Than Equal To 3.00 to 1.0
Subsequent Event [Line Items]
Commitment Fee	0.35%
Letter of Credit Fee	1.75%
Consolidated Leverage Ratio: Less Than 3.00 to 1.0 but Greater Than Equal To 2.00 to 1.0
Subsequent Event [Line Items]
Commitment Fee	0.30%
Letter of Credit Fee	1.50%
Consolidated Leverage Ratio: Less Than 2.00 to 1.0 but Greater Than Equal To 0.75 to 1.0
Subsequent Event [Line Items]
Commitment Fee	0.25%
Letter of Credit Fee	1.25%
Consolidated Leverage Ratio: Less Than 0.75 to 1.0
Subsequent Event [Line Items]
Commitment Fee	0.20%
Letter of Credit Fee	1.00%
Base Rate [Member]
Subsequent Event [Line Items]
Margin on Loans	0.50%
Base Rate [Member] | Consolidated Leverage Ratio: Greater Than Equal To 3.00 to 1.0
Subsequent Event [Line Items]
Margin on Loans	1.00%
Base Rate [Member] | Consolidated Leverage Ratio: Less Than 3.00 to 1.0 but Greater Than Equal To 2.00 to 1.0
Subsequent Event [Line Items]
Margin on Loans	0.75%
Base Rate [Member] | Consolidated Leverage Ratio: Less Than 2.00 to 1.0 but Greater Than Equal To 0.75 to 1.0
Subsequent Event [Line Items]
Margin on Loans	0.50%
Base Rate [Member] | Consolidated Leverage Ratio: Less Than 0.75 to 1.0
Subsequent Event [Line Items]
Margin on Loans	0.25%
Eurodollar [Member]
Subsequent Event [Line Items]
Margin on Loans	1.50%
Eurodollar [Member] | Consolidated Leverage Ratio: Greater Than Equal To 3.00 to 1.0
Subsequent Event [Line Items]
Margin on Loans	2.00%
Eurodollar [Member] | Consolidated Leverage Ratio: Less Than 3.00 to 1.0 but Greater Than Equal To 2.00 to 1.0
Subsequent Event [Line Items]
Margin on Loans	1.75%
Eurodollar [Member] | Consolidated Leverage Ratio: Less Than 2.00 to 1.0 but Greater Than Equal To 0.75 to 1.0
Subsequent Event [Line Items]
Margin on Loans	1.50%
Eurodollar [Member] | Consolidated Leverage Ratio: Less Than 0.75 to 1.0
Subsequent Event [Line Items]
Margin on Loans	1.25%
Minimum [Member] | Consolidated Leverage Ratio: Greater Than Equal To 3.00 to 1.0
Subsequent Event [Line Items]
Consolidated Leverage Ratio	3.00
Minimum [Member] | Consolidated Leverage Ratio: Less Than 3.00 to 1.0 but Greater Than Equal To 2.00 to 1.0
Subsequent Event [Line Items]
Consolidated Leverage Ratio	2.00
Minimum [Member] | Consolidated Leverage Ratio: Less Than 2.00 to 1.0 but Greater Than Equal To 0.75 to 1.0
Subsequent Event [Line Items]
Consolidated Leverage Ratio	0.75
Maximum [Member] | Consolidated Leverage Ratio: Less Than 3.00 to 1.0 but Greater Than Equal To 2.00 to 1.0
Subsequent Event [Line Items]
Consolidated Leverage Ratio	3.00
Maximum [Member] | Consolidated Leverage Ratio: Less Than 2.00 to 1.0 but Greater Than Equal To 0.75 to 1.0
Subsequent Event [Line Items]
Consolidated Leverage Ratio	2.00
Maximum [Member] | Consolidated Leverage Ratio: Less Than 0.75 to 1.0
Subsequent Event [Line Items]
Consolidated Leverage Ratio	0.75