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Segment Reporting - Net Sales by Product Type (Details) - USD ($) $ in Thousands | 3 Months Ended
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Sep. 30, 2016 | Sep. 30, 2015
Segment Reporting Information [Line Items] |  |
Net sales | $ 528,968 | $ 519,618
Product concentration risk | Net sales |  |
Segment Reporting Information [Line Items] |  |
Percent of Net Sales | 100.00% | 100.00%
Server systems |  |
Segment Reporting Information [Line Items] |  |
Net sales | $ 357,493 | $ 356,211
Server systems | Product concentration risk | Net sales |  |
Segment Reporting Information [Line Items] |  |
Percent of Net Sales | 67.60% | 68.60%
Subsystems and accessories |  |
Segment Reporting Information [Line Items] |  |
Net sales | $ 171,475 | $ 163,407
Subsystems and accessories | Product concentration risk | Net sales |  |
Segment Reporting Information [Line Items] |  |
Percent of Net Sales | 32.40% | 31.40%

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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6351-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13531-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6404-108592 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13537-108611 + Details
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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=63488584&loc=d3e20235-122688 + Details
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