CONDENSED CONSOLIDATED STATEMENTS OF INCOME (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Income Statement [Abstract]
Net sales	$ 128,018	$ 133,500
Cost of sales	97,179	98,919
Gross profit	30,839	34,581
Selling, general and administrative expenses	21,024	17,633
Research and development expenses	1,050	1,430
Operating income	8,765	15,518
Other (expense) income:
Interest expense	(2,233)	(754)
Interest and other income, net	248	219
Other (expense) income, Total	(1,985)	(535)
Income before income taxes	6,780	14,983
Provision for income taxes	2,395	5,685
Net income	$ 4,385	$ 9,298
Basic income per common share (in dollars per share)	$ 0.15	$ 0.32
Diluted income per common share (in dollars per share)	$ 0.15	$ 0.32
Weighted average shares outstanding:
Basic (in shares)	29,518	28,983
Diluted (in shares)	29,840	29,392