Debt (Tables)

9 Months Ended

Mar. 31, 2018

Debt Disclosure [Abstract]

Schedule of long-term debt

	March 31, 2018		June 30, 2017
Convertible Senior Notes, net	$	126,279	$	121,676
Revolving Bank Loans		62,000		90,000
Term Bank Loans		128,526		139,227
Mortgage		2,615		2,763
		319,420		353,666
Less current portion		190,723		14,466
	$	128,697	$	339,200

Schedule of carrying value of notes

	March 31, 2018			June 30, 2017
Principal amount	$	143,750		$	143,750
Unamortized debt discount		(15,278	)		(19,255	)
Unamortized debt issuance costs		(2,193	)		(2,819	)
Net carrying value	$	126,279		$	121,676

Schedule of components of total interest expense related to notes

	Nine Months Ended March 31, 2018		Three Months Ended March 31, 2018
Contractual coupon	$	2,127	$	709
Amortization of debt discount		3,977		1,347
Amortization of debt issuance costs		626		208
	$	6,730	$	2,264