Long-Term Debt (tables)

12 Months Ended

Mar. 31, 2015

Long-term Debt, Unclassified [Abstract]

Schedule of Long-term Debt Instruments [Table Text Block]

4. Long-Term Debt
		2015		2014
		(In thousands)
Revolving credit facility,
1.92% and 1.65%, due through 2017	$	233,000	$	175,000
Secured Industrial Revenue Development Bonds,
2.97%, and 3.23%, due through 2029		22,630		22,630
Secured promissory note,
6.98%, due through 2022		13,769		15,313
Secured promissory note,
6.35%, due through 2020		3,122		3,731
Economic development note,
2.00%, due through 2021		1,398		1,500
Other		245		342
		274,164		218,516
Less current portion		2,530		2,277
	$	271,634	$	216,239

Long Term Debt Repayement [table text block]

Years ending March 31:
2016	$	2,530
2017		235,667
2018		7,904
2019		3,034
2020		2,531
Thereafter		22,498
Total	$	274,164