Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1,2)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Segment Information (Schedule of Net Sales and Gross Profit by Source Country) (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Segment Reporting Information [Line Items]
Net Sales	$ 146,587	$ 145,796	$ 123,765	$ 130,803	$ 139,580	$ 124,830	$ 116,508	$ 129,261	$ 546,951	$ 510,179	$ 499,690
Gross Profit	$ 41,166	$ 36,598	$ 30,019	$ 27,651	$ 29,022	$ 24,963	$ 26,984	$ 33,734	135,434	114,703	98,271
Geographic region \| United States
Segment Reporting Information [Line Items]
Net Sales									407,101	355,715	326,247
Gross Profit									111,734	82,573	68,964
Geographic region \| Germany
Segment Reporting Information [Line Items]
Net Sales									69,889	84,024	92,053
Gross Profit									14,660	22,614	19,688
Geographic region \| Netherlands
Segment Reporting Information [Line Items]
Net Sales									14,656	14,869	14,513
Gross Profit									1,325	1,581	1,693
Geographic region \| France
Segment Reporting Information [Line Items]
Net Sales									27,976	29,412	38,475
Gross Profit									3,634	4,182	4,608
Geographic region \| Asia-Pacific
Segment Reporting Information [Line Items]
Net Sales									27,329	26,159	28,402
Gross Profit									$ 4,081	$ 3,753	$ 3,318