Debt (Tables)

9 Months Ended

Mar. 31, 2018

Debt Disclosure [Abstract]

Schedule of carrying values of all Debt

The following table presents the carrying value of all Debt (in thousands):

As of  March 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	$	28,007	$	85,000		$	40,000		$	153,007
Unamortized debt costs		—		(3,501	)		(1,862	)	$	(5,363	)
Unamortized debt discount		—		(12,901	)		(422	)	$	(13,323	)
Net carrying amount	$	28,007	$	68,598		$	37,716		$	134,321
Reported as:
Short-term debt									$	—
Long-term debt										134,321
Total debt									$	134,321

As of June 30, 2017	Revolving Credit Facility		3.50% Convertible Notes			3.50% Series A Convertible Notes			Total
Carrying amount of equity conversion component	$	—	$	—		$	7,844		$	7,844
Principal amount of the Notes	$	51,548	$	44,654		$	70,346		$	166,548
Unamortized debt costs		—		(555	)		—			(555	)
Unamortized debt discount		—		—			(1,422	)		(1,422	)
Net carrying amount	$	51,548	$	44,099		$	68,924		$	164,571
Reported as:
Short-term debt									$	113,023
Long-term debt										51,548
Total debt									$	164,571

Summary of interest expense on all Convertible Debt

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

	Three Months Ended March 31,				Nine Months Ended March 31,
	2018		2017		2018		2017
Interest expense related to contractual interest coupon	$	2,608	$	2,255	$	7,444	$	7,125
Interest expense related to amortization of debt discount		862		661		2,589		2,117
Interest expense related to amortization of    debt issuance costs		391		383		1,259		1,165
	$	3,861	$	3,299	$	11,292	$	10,407