Debt (Tables)

3 Months Ended

Sep. 30, 2018

Debt Disclosure [Abstract]

Schedule of carrying values of all Debt

The following table presents the carrying value of the Credit Facilities and 3.75% Convertible Notes (in thousands):

As of  September 30, 2018	Revolving Credit Facility		3.75% Convertible Notes			Term Loan Facility			Total
Carrying amount of equity conversion component	$	—	$	14,650		$	—		$	14,650
Principal amount of the Notes	$	20,422	$	85,000		$	40,000		$	145,422
Unamortized debt costs		—		(3,192	)		(1,579	)	$	(4,771	)
Unamortized debt discount		—		(11,611	)		(114	)	$	(11,725	)
Net carrying amount	$	20,422	$	70,197		$	38,307		$	128,926
Reported as:
Short-term debt									$	—
Long-term debt										128,926
Total debt									$	128,926

As of June 30, 2018	Revolving Credit Facility		3.75% Convertible Notes			Term Loan Facility			Total
Carrying amount of equity conversion component	$	—	$	14,650		$	—		$	14,650
Principal amount of the Notes	$	23,685	$	85,000		$	40,000		$	148,685
Unamortized debt costs		—		(3,351	)		(1,721	)		(5,072	)
Unamortized debt discount		—		(12,267	)		(269	)		(12,536	)
Net carrying amount	$	23,685	$	69,382		$	38,010		$	131,077
Reported as:
Short-term debt									$	—
Long-term debt										131,077
Total debt									$	131,077

Summary of interest expense on all Convertible Debt

A summary of interest expense on the 3.50% Convertible Notes, the 3.50% Series A Convertible Notes, and the 3.75% Convertible Notes (collectively, “Notes”) and Credit Facilities is as follows (in thousands):

	Three Months Ended September 30,
	2018		2017
Interest expense related to contractual interest coupon	$	2,325	$	2,409
Interest expense related to amortization of debt discount		810		862
Interest expense related to amortization of debt issuance costs		382		448
	$	3,517	$	3,719