DEBT (Tables)

3 Months Ended

Jun. 30, 2017

Debt Disclosure [Abstract]

Information related to availability on Credit Agreement

Information related to availability on our Credit Agreement is as follows:

	June 30, 2017		March 31, 2017
Available borrowings	$	98,336	$	98,320
Outstanding letters of credit	1,664		1,664

Schedule of additional information related to convertible notes

The following table provides additional information related to our 1.00% Convertible Notes:

	June 30, 2017		March 31, 2017
Additional paid-in capital	$	35,784	$	35,784
Principal amount of 1.00% Convertible Notes	$	223,687	$	268,149
Unamortized discount of the liability component	10,514		15,751
Carrying amount of debt issuance costs	309		469
Net carrying amount of 1.00% Convertible Notes	$	212,864	$	251,929

Schedule of components of interest expense related to convertible notes

The following table provides the components of interest expense related to our 1.00% Convertible Notes:

	Three Months Ended June 30,
	2017		2016
Cash interest expense (coupon interest expense)	$	448	$	719
Non-cash amortization of discount on 1.00% Convertible Notes	5,237		3,135
Amortization of debt issuance costs	160		107
Total interest expense related to 1.00% Convertible Notes	$	5,845	$	3,961