Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Income Statement [Abstract]
Net sales	$ 223,642	$ 203,001	$ 328,137	$ 211,885	$ 222,812	$ 211,380	$ 319,876	$ 202,328	$ 966,665	$ 956,396	$ 906,365
Cost of sales									645,920	614,594	579,746
Gross profit	70,268	67,156	105,982	77,339	78,971	77,477	112,679	72,674	320,745	341,802	326,619
Selling, general and administrative expenses									353,025	339,398	314,263
Operating income/(loss)	(17,129)	(14,678)	8,767	(9,240)	(6,281)	(5,932)	20,571	(5,956)	(32,280)	2,404	12,356
Other income/(expense):
Interest expense									(1,485)	(1,068)	(1,445)
Other income/(expense), net									1,420	2,640	(495)
Income/(loss) before income taxes									(32,345)	3,976	10,416
Income tax provision									197	263	31
Net income/(loss)	$ (17,321)	$ (14,796)	$ 8,430	$ (8,855)	$ (3,851)	$ (5,240)	$ 18,944	$ (6,140)	$ (32,542)	$ 3,713	$ 10,385
Net income/(loss) per common share:
Basic	$ (0.39)	$ (0.34)	$ 0.19	$ (0.20)	$ (0.09)	$ (0.12)	$ 0.43	$ (0.14)	$ (0.74)	$ 0.08	$ 0.24
Diluted	$ (0.39)	$ (0.34)	$ 0.19	$ (0.20)	$ (0.09)	$ (0.12)	$ 0.43	$ (0.14)	$ (0.74)	$ 0.08	$ 0.24
Weighted average number of common shares:
Basic									43,943	43,705	43,480
Diluted									43,943	43,736	43,770