CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Income Statement [Abstract]
Net sales	$ 130,197	$ 125,525	$ 143,129	$ 129,529	$ 129,744	$ 127,279	$ 136,699	$ 120,147	$ 528,380	$ 513,869	$ 498,701
Cost of goods sold		77,473	88,755	81,524	83,749	79,833	88,105	77,006	332,466	328,693	332,309
Gross profit	45,483	48,052	54,374	48,005	45,995	47,446	48,594	43,141	195,914	185,176	166,392
Selling expenses		42,592	38,322	36,614	40,662	39,066	40,276	37,029	155,088	157,033	149,209
General and administrative expenses		7,498	10,329	8,500	7,970	8,874	7,771	7,531	35,724	32,146	29,144
Net gains from sales of assets		37	73	(123)	(79)	(1,185)	11	(3,213)	(3,814)	(4,467)	(268)
Impairment losses on goodwill and intangible assets					92				0	92	5,585
Pension withdrawal expense									0	0	4,568
Operating expenses		50,127	48,724	44,991	48,645	46,755	48,058	41,347	186,998	184,804	188,238
Income (loss) from operations	2,327	(2,075)	5,650	3,014	(2,650)	691	536	1,794	8,916	372	(21,846)
Other income (expense):
Dividend income		276	258	268	274	286	284	259	1,073	1,103	1,231
Interest income		114	110	108	169	92	99	92	429	452	214
Interest expense		(277)	(393)	(372)	(396)	(466)	(463)	(457)	(1,258)	(1,782)	(2,137)
Other, net		4,664	(514)	(906)	(1,569)	(1,949)	(7,645)	1,732	3,677	(9,432)	(4,385)
Total other income (expense)		4,777	(539)	(902)	(1,522)	(2,037)	(7,725)	1,626	3,921	(9,659)	(5,077)
Income (loss) before taxes		2,702	5,111	2,112	(4,172)	(1,346)	(7,189)	3,420	12,837	(9,287)	(26,923)
Income tax expense (benefit)		196	402	306	(1,194)	(40)	(32)	441	705	(825)	(347)
Net income (loss)	$ 3,111	$ 2,506	$ 4,709	$ 1,806	$ (2,978)	$ (1,306)	$ (7,157)	$ 2,979	$ 12,132	$ (8,462)	$ (26,576)
Net income (loss) per common share - basic (in US$ per share)	$ 0.19	$ 0.16	$ 0.29	$ 0.11	$ (0.19)	$ (0.08)	$ (0.46)	$ 0.19	$ 0.76	$ (0.54)	$ (1.72)
Net income (loss) per common share - diluted (in US$ per share)	$ 0.19	$ 0.16	$ 0.29	$ 0.11	$ (0.19)	$ (0.08)	$ (0.46)	$ 0.19	$ 0.76	$ (0.54)	$ (1.72)
Weighted average common shares outstanding - basic and diluted									15,909,631	15,604,452	15,492,314
Weighted average common shares outstanding—diluted									16,014,587	15,604,452	15,492,314
Cash dividends declared per common share										$ 0.00