CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Net sales	$ 163,649	$ 171,229	$ 328,054	$ 356,484
Cost of sales	139,603	137,259	278,528	282,531
Gross profit	24,046	33,970	49,526	73,953
Selling, general and administrative expenses	37,000	28,063	73,897	59,212
Research and development expenses	2,114	2,122	3,995	3,737
Operating (loss) income	(15,068)	3,785	(28,366)	11,004
Other (expense) income:
Interest expense	(7,569)	(5,048)	(13,707)	(10,403)
Interest and other income, net	827	764	1,168	1,038
Other (expense) income, Total	(6,742)	(4,284)	(12,539)	(9,365)
(Loss) income before income taxes	(21,810)	(499)	(40,905)	1,639
Income tax provision	540	13,365	2,537	15,049
Net loss	$ (22,350)	$ (13,864)	$ (43,442)	$ (13,410)
Basic loss per common share (in dollars per share)	$ (0.63)	$ (0.39)	$ (1.22)	$ (0.38)
Diluted loss per common share (in dollars per share)	$ (0.63)	$ (0.39)	$ (1.22)	$ (0.38)
Weighted average shares outstanding:
Basic (in shares)	35,592	35,210	35,540	35,093
Diluted (in shares)	35,592	35,210	35,540	35,093