Debt (Tables)

3 Months Ended

Sep. 30, 2018

Debt Disclosure [Abstract]

Components of Debt

The components of debt for the periods indicated were as follows ($000):

	September 30,			June 30,
	2018			2018
0.25% convertible senior notes	$	345,000		$	345,000
Convertible senior notes unamortized discount attributable to cash conversion option and debt issuance costs including initial purchaser discount		(53,300	)		(56,409	)
Term loan, interest at LIBOR, as defined, plus 1.75%		60,000			65,000
Line of credit, interest at LIBOR, as defined, plus 1.75%		180,000			80,000
Credit facility unamortized debt issuance costs		(1,035	)		(1,126	)
Yen denominated line of credit, interest at LIBOR, as defined, plus 1.75%		2,645			2,714
Note payable assumed in IPI acquisition		3,834			3,834
Total debt		537,144			439,013
Current portion of long-term debt		(20,000	)		(20,000	)
Long-term debt, less current portion	$	517,144		$	419,013

Summary of Total Interest Expense Recognized

The following table sets forth total interest expense recognized related to the Notes for the three months ended September 30, 2018 and 2017:

		Three Months Ended
September 30,		2018		2017
0.25% contractual coupon	$		220		78
Amortization of debt discount and debt issuance costs including initial purchaser discount			3,110		1,107
Interest expense	$		3,330		1,185

Remaining Annual Principal Payments of Credit Obligations

Remaining annual principal payments under the Company’s existing credit obligations from September 30, 2018 were as follows:

					U.S.
					Dollar
	Term		Yen Line		Line of		Note		Convertible
Period	Loan		of Credit		Credit		Payable		Notes		Total
Year 1	$	20,000	$	-	$	-	$	-	$	-	$	20,000
Year 2		20,000		2,645		-		3,834		-		26,479
Year 3		20,000		-		180,000		-		-		200,000
Year 4		-		-		-		-		345,000		345,000
Total	$	60,000	$	2,645	$	180,000	$	3,834	$	345,000	$	591,479