LONG-TERM DEBT Fair Value Measurements (Tables)

6 Months Ended

Sep. 30, 2017

Fair Value Disclosures [Abstract]

Fair Value, by Balance Sheet Grouping [Table Text Block]

	September 30, 2017				March 31, 2017
	Carrying Value		Fair Value		Carrying Value		Fair Value
Long-term debt	$	1,432,013	$	1,466,578	$	1,196,300	$	1,178,968