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Gross Carrying Amount and Accumulated Amortization of Intangible Assets Other Than Goodwill (Detail) - USD ($) $ in Thousands | Dec. 31, 2018 | Jun. 30, 2018
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Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 232,812 | $ 211,870
Accumulated Amortization | (93,817) | (86,801)
Net Book Value | 138,995 | 125,069
Technology and Patents |  |
Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 82,552 | 66,812
Accumulated Amortization | (35,780) | (32,979)
Net Book Value | 46,772 | 33,833
Trademarks |  |
Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 15,765 | 15,882
Accumulated Amortization | (1,536) | (1,471)
Net Book Value | 14,229 | 14,411
Customer Lists |  |
Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 132,923 | 127,603
Accumulated Amortization | (54,929) | (50,792)
Net Book Value | 77,994 | 76,811
Other |  |
Finite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 1,572 | 1,573
Accumulated Amortization | $ (1,572) | (1,559)
Net Book Value |  | $ 14

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