CONDENSED CONSOLIDATED STATEMENTS OF INCOME (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Income Statement [Abstract]
Net sales	$ 185,255	$ 128,018
Cost of sales	145,272	97,179
Gross profit	39,983	30,839
Selling, general and administrative expenses	31,149	21,024
Research and development expenses	1,615	1,050
Operating income	7,219	8,765
Other (expense) income:
Interest expense	(5,355)	(2,233)
Interest and other income, net	274	248
Other (expense) income, Total	(5,081)	(1,985)
Income before income taxes	2,138	6,780
Income tax provision	1,684	2,395
Net income	$ 454	$ 4,385
Basic income per common share (in dollars per share)	$ 0.01	$ 0.15
Diluted income per common share (in dollars per share)	$ 0.01	$ 0.15
Weighted average shares outstanding:
Basic (in shares)	34,975	29,518
Diluted (in shares)	35,259	29,840