RESTRUCTURING ACTIVITIES - Narrative (Details) - ESS $ in Thousands	Feb. 28, 2018 USD ($)
Restructuring Cost and Reserve [Line Items]
Expected restructuring costs	$ 20,000
Restructuring asset impairment
Restructuring Cost and Reserve [Line Items]
Expected restructuring costs	5,000
Total cost of sales
Restructuring Cost and Reserve [Line Items]
Expected restructuring costs	13,500
Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Expected restructuring costs	$ 6,500