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Schedule II - Valuation and Qualifying Accounts - Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2016
SEC Schedule, 12-09, Allowance, Credit Loss [Member] |  |  |  |
Balance, Beginning of Period |  | $ 506 | $ 226 | $ 317
Additions Charged to Costs and Expenses |  | 214 | 339 | 55
Additions From Company Acquired |  |  | 10 |
Deductions | [1] | (311) | (69) | (146)
Balance, End of Period |  | 409 | 506 | 226
SEC Schedule, 12-09, Reserve, Inventory [Member] |  |  |  |
Balance, Beginning of Period |  | 2,815 | 2,394 | 2,197
Additions Charged to Costs and Expenses |  | 2,605 | 1,495 | 1,726
Additions From Company Acquired |  |  | 600 |
Deductions | [1] | (1,788) | (1,674) | (1,529)
Balance, End of Period |  | 3,632 | 2,815 | 2,394
SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member] |  |  |  |
Balance, Beginning of Period |  | 5,556 | 6,150 | 6,161
Additions Charged to Costs and Expenses |  |  |  |
Additions From Company Acquired |  | 183 | (569) |
Deductions | [1] | (990) | (25) | (11)
Balance, End of Period |  | $ 4,749 | $ 5,556 | $ 6,150
[1] | For Allowance for Doubtful Accounts, deductions are uncollectible accounts charged off, less recoveries.

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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- Definition Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- Definition Amount of decrease in valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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