Debt (Tables)

6 Months Ended

Dec. 31, 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  December 31, 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	$	22,539	$	85,000		$	45,000		$	152,539
Unamortized debt costs		—		(3,031	)		(1,462	)	$	(4,493	)
Unamortized debt discount		—		(10,951	)		(272	)	$	(11,223	)
Net carrying amount	$	22,539	$	71,018		$	43,266		$	136,823
Reported as:
Short-term debt									$	—
Long-term debt										136,823
Total debt									$	136,823

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 December 31,				Six Months Ended December 31,
	2018		2017		2018		2017
Interest expense related to contractual interest coupon	$	2,305	$	2,427	$	4,630	$	4,836
Interest expense related to amortization of debt discount		815		865		1,625		1,727
Interest expense related to amortization of debt issuance costs		383		420		765		868
	$	3,503	$	3,712	$	7,020	$	7,431