Debt

A summary of debt is as follows (amounts in thousands):



	June 30, 2015			March 31, 2015
10.5% Senior Notes, net of premium of $2,280 and $2,461 as of June 30, 2015 and March 31, 2015, respectively	$	357,280		$	357,461
Revolving line of credit	38,981			33,448
Other	—			462
Total debt	396,261			391,371
Current maturities	(6,000		)	(962		)
Total long-term debt	$	390,261		$	390,409

The line item “Interest expense” on the Condensed Consolidated Statements of Operations for the quarters ended June 30, 2015 and 2014, consists of the following (amounts in thousands):



	Quarters Ended June 30,
	2015			2014
Contractual interest expense, net (1)	$	9,746		$	9,752
Amortization of debt issuance costs	348			425
Amortization of debt (premium) discount	(181		)	(47		)
Imputed interest on acquisition-related obligations	53			287
Interest expense on capital lease	47			39
Total interest expense	$	10,013		$	10,456

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(1) Net of capitalized interest of $40 thousand and $81 thousand for the quarters ended June 30, 2015 and 2014, respectively

Revolving Line of Credit

As of June 30, 2015, the Company had the following activity and resulting balances under the revolving line of credit (amounts in millions, excluding percentages):



	As of March 31, 2015		For the three month period ended June 30, 2015				As of June 30, 2015
	Outstanding Borrowings		Additional Borrowings		Repayments		Outstanding Borrowings		Rate (1) (2)		Due Date (3)
U.S. Facility	$	21.5	$	6.0	$	2.5	$	25.0	4.750	%	December 19, 2019
Singapore Facility
Singapore Borrowing 1	12.0		—		—		12.0		3.125	%	August 24, 2015
Singapore Borrowing 2	—		2.0		—		2.0		3.000	%	October 13, 2015
Total Facilities	$	33.5	$	8.0	$	2.5	$	39.0

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(1) For U.S. borrowings, Base Rate plus 1.50%, as defined in the Loan and Security Agreement dated September 30, 2010, as amended, by and among KEC, KEMET Electronics Marketing (S) Pte. Ltd., KEMET Foil Manufacturing, LLC (“KEMET Foil”), KEMET Blue Powder Corporation (“KEMET Blue Powder”), The Forest Electric Company and the financial institutions party thereto (the “Loan and Security Agreement”).

(2) For Singapore borrowings, London Interbank Offer Rate ("LIBOR"), plus a spread of 2.75%.

(3) The Company has the intent and ability to extend the due date on the Singapore borrowings beyond one year.

These were the only borrowings under the revolving line of credit, and as of June 30, 2015, the Company's available borrowing capacity under the Loan and Security Agreement was $7.2 million.

10.5% Senior Notes

As of June 30, 2015 and March 31, 2015, the Company had outstanding $355.0 million in aggregate principal amount of the Company’s 10.5% Senior Notes due May 1, 2018 (the “10.5% Senior Notes”). The Company had interest payable related to the 10.5% Senior Notes included in the line item “Accrued expenses” on its Condensed Consolidated balance sheets of $6.2 million and $15.5 million as of June 30, 2015 and March 31, 2015, respectively.