EMPLOYEE BENEFIT PLANS (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Mar. 31, 2017
Incentive Compensation [Line Items]
Service cost	$ 154	$ 1,960
Interest cost	3,751	4,782
Expected return on assets	(5,309)	(6,471)
Amortization of unrecognized losses	1,778	1,961
Net periodic pension cost	374	2,232
Cash contributions	4,000
Weighted-average expected long-term rate of return on assets			4.40%
Estimated cash contributions	$ 15,300
Common stock shares reserved	10,646,729
Common stock, par value	$ 0.01		$ 0.01
Shares available for grant	2,409,092
Stock based compensation expense	$ 4,136	4,200
Restricted stock grants- shares	457,858
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 7.03
Stock option grants- shares	1,256,043
Risk free interest rate	1.78%
Expected life (years)	5 years
Volatility	56.10%
Dividend yield	3.98%
Weighted average exercise price of options granted	$ 7.03
Weighted average grant-date fair value of options granted	$ 2.53
Performance cash compensation liability	$ 3,200		$ 14,200
Performance cash compensation expense	3,000	$ 1,100
Phantom Share Units (PSUs) [Member]
Incentive Compensation [Line Items]
Deferred Compensation Liability, Classified, Noncurrent	100
Allocated Share-based Compensation Expense	$ 100
Performance cash
Incentive Compensation [Line Items]
Award requisite service period	3 years