Debt (Tables)

9 Months Ended

Mar. 31, 2019

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  March 31, 2019	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	$	30,497	$	85,000		$	45,000		$	160,497
Unamortized debt costs		—		(2,860	)		(1,320	)	$	(4,180	)
Unamortized debt discount		—		(10,269	)		(91	)	$	(10,360	)
Net carrying amount	$	30,497	$	71,871		$	43,589		$	145,957
Reported as:
Short-term debt									$	—
Long-term debt										145,957
Total debt									$	145,957

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 March 31,				Nine Months Ended March 31,
	2019		2018		2019		2018
Interest expense related to contractual interest coupon	$	2,489	$	2,608	$	7,119	$	7,444
Interest expense related to amortization of debt discount		863		862		2,488		2,589
Interest expense related to amortization of debt issuance costs		392		391		1,157		1,259
	$	3,744	$	3,861	$	10,764	$	11,292