Debt (Tables)

6 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Schedule of long-term debt

	December 31, 2017		June 30, 2017
Convertible Senior Notes, net	$	124,724	$	121,676
Revolving Bank Loans		67,000		90,000
Term Bank Loans		132,092		139,227
Mortgage		2,681		2,763
		326,497		353,666
Less current portion		14,482		14,466
	$	312,015	$	339,200

Schedule of carrying value of convertible senior notes

	December 31, 2017			June 30, 2017
Principal amount	$	143,750		$	143,750
Unamortized debt discount		(16,625	)		(19,255	)
Unamortized debt issuance costs		(2,401	)		(2,819	)
Net carrying value	$	124,724		$	121,676

Schedule of components of total interest expense related to notes

	Six months Ended December 31, 2017		Three months Ended December 31, 2017
Contractual coupon	$	1,418	$	709
Amortization of debt discount		2,630		1,326
Amortization of debt issuance costs		418		209
	$	4,466	$	2,244