Debt (Tables)

9 Months Ended

Mar. 31, 2017

Debt

Schedule of carrying values of all Convertible Notes

The following table presents the carrying values of all Convertible Notes and notes issued pursuant to the Secured Loan (collectively, “Notes”) as of March 31, 2017 (in thousands):

				3.50%			3.50%
	Secured			Convertible			Series A
	Loan			Notes			Convertible Notes			Total
Principal amount of the Notes	$	61,500		$	44,654		$	70,346		$	176,500
Unamortized debt costs	(2,322		)	(784		)	—			(3,106		)
Unamortized debt discount	(1,343		)	—			(2,014		)	(3,357		)
Net carrying amount	$	57,835		$	43,870		$	68,332		$	170,037

Summary of interest expense on all Convertible Notes

A summary of interest expense on the Notes is as follows (in thousands):

	Three Months Ended				Nine Months Ended
	March 31,				March 31,
	2017		2016		2017		2016
Interest expense related to contractual interest coupon	$	2,255	$	2,677	$	7,125	$	6,612
Interest expense related to amortization of debt discount	661		1,285		2,117		5,155
Interest expense related to amortization of debt issuance costs	383		508		1,165		1,279
	$	3,299	$	4,470	$	10,407	$	13,046