Debt (Tables)

3 Months Ended

Sep. 30, 2018

Debt Disclosure [Abstract]

Schedule of long-term debt

	September 30, 2018		June 30, 2018
Convertible Senior Notes, net	$	129,457	$	127,857
Revolving Bank Loans		62,000		62,000
Term Bank Loans		121,392		124,959
Mortgage		2,533		2,582
		315,382		317,398
Less current portion		14,482		14,482
	$	300,900	$	302,916

Schedule of carrying value of notes

	September 30, 2018			June 30, 2018
Principal amount	$	143,750		$	143,750
Unamortized debt discount		(12,518	)		(13,909	)
Unamortized debt issuance costs		(1,775	)		(1,984	)
Net carrying value	$	129,457		$	127,857

Schedule of components of total interest expense related to notes

	2018		2017
Contractual coupon	$	670	$	709
Amortization of debt discount		1,391		1,304
Amortization of debt issuance costs		209		209
	$	2,270	$	2,222