CONDENSED CONSOLIDATED STATEMENTS OF INCOME (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Income Statement [Abstract]
Net sales	$ 190,128	$ 157,926	$ 443,698	$ 423,100
Cost of sales	147,809	119,637	339,735	314,362
Gross profit	42,319	38,289	103,963	108,738
Selling, general and administrative expenses	26,519	19,498	75,614	56,377
Research and development expenses	2,607	2,319	4,998	6,280
Operating income	13,193	16,472	23,351	46,081
Other (expense) income:
Interest expense	(5,321)	(2,157)	(10,223)	(4,766)
Interest and other income, net	640	1,229	1,230	2,305
Other (expense) income, Total	(4,681)	(928)	(8,993)	(2,461)
Income before income taxes	8,512	15,544	14,358	43,620
Income tax provision	2,924	5,120	4,949	15,628
Net income	$ 5,588	$ 10,424	$ 9,409	$ 27,992
Basic income per common share (in dollars per share)	$ 0.16	$ 0.36	$ 0.30	$ 0.96
Diluted income per common share (in dollars per share)	$ 0.16	$ 0.35	$ 0.30	$ 0.95
Weighted average shares outstanding:
Basic (in shares)	34,769	29,158	31,453	29,085
Diluted (in shares)	35,121	29,620	31,792	29,536