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Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Segment Reporting Information [Line Items]
Net Sales	$ 77,149	$ 68,539	$ 206,831	$ 186,285
Income before provision for income taxes	12,651	10,616	30,706	25,216
U.S.
Segment Reporting Information [Line Items]
Net Sales	71,658	63,036	189,673	170,619
Income before provision for income taxes	12,193	10,635	29,470	25,094
Australia
Segment Reporting Information [Line Items]
Net Sales	5,491	5,503	17,158	15,666
Income before provision for income taxes	556	230	1,394	347
Operating Segments
Segment Reporting Information [Line Items]
Net Sales	77,149	68,539	206,831	186,285
Operating Segments | U.S.
Segment Reporting Information [Line Items]
Net Sales	73,844	66,071	196,285	176,972
Operating Segments | Australia
Segment Reporting Information [Line Items]
Net Sales	5,491	5,503	17,158	15,666
Intersegment Eliminations
Segment Reporting Information [Line Items]
Net Sales	(2,186)	(3,035)	(6,612)	(6,353)
Income before provision for income taxes	(98)	(249)	(158)	(225)
Intersegment Eliminations | U.S.
Segment Reporting Information [Line Items]
Net Sales	$ 2,186	$ 3,035	$ 6,612	$ 6,353

X

- Definition

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 940
-SubTopic 20
-Section 25
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=68072869&loc=d3e41242-110953

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(10))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04(15))
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(8))
-URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913

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- Definition

Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 225
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-Section S99
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