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Business Combinations (Narratives) (Details) $ / shares in Units, $ in Thousands |  |  |  |  |  |  | 12 Months Ended |
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Aug. 09, 2019 USD ($) $ / shares | Dec. 01, 2017 USD ($) | Oct. 27, 2017 USD ($) | Jul. 14, 2017 USD ($) | Mar. 07, 2017 USD ($) | Oct. 28, 2016 USD ($) | Jun. 30, 2018 USD ($) Acquisition | Jun. 30, 2017 USD ($) | Mar. 31, 2018 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Number of acquisitions completed | Acquisition |  |  |  |  |  |  | 3 |  |
Business acquisition, cash consideration |  |  |  |  |  |  | $ 97,581 | $ 51,088 |
Recorded gain from bargain purchase |  |  |  |  |  |  | 5,030 |  |
Data Center Business |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Asset purchase agreement closing date |  |  | Oct. 27, 2017 |  |  |  |  |  |
Business acquisition, purchase price |  |  | $ 84,300 |  |  |  |  |  |
Fair value of contingent consideration |  |  |  |  |  |  | 1,500 |  |
Net assets acquired, financing receivables |  |  | 33,488 |  |  |  |  |  |
Net assets acquired, identifiable intangible assets |  |  | $ 32,800 |  |  |  |  |  |
Campus Fabric Business |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Asset purchase agreement closing date |  |  |  | Jul. 14, 2017 |  |  |  |  |
Business acquisition, provisional consideration |  |  |  |  | $ 79,400 |  |  |  |
Net assets acquired, financing receivables |  |  |  | $ 19,527 |  |  |  |  |
Net assets acquired, identifiable intangible assets |  |  |  | $ 41,300 |  |  |  |  |
Campus Fabric Business | In-Process Research and Development |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Fair value of indefinite lived intangibles |  |  |  |  |  |  |  |  | $ 2,400
Campus Fabric Business | Developed Technology |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Fair value of indefinite lived intangibles |  |  |  |  |  |  |  |  | $ 2,400
Capital Financing Business |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Asset purchase agreement closing date |  | Dec. 01, 2017 |  |  |  |  |  |  |
Fair value of contingent consideration |  | $ 13,000 |  |  |  |  |  |  |
Business combination, payments to seller in percentage of finance receivables |  | 90.00% |  |  |  |  |  |  |
Net assets acquired, financing receivables |  | $ 13,700 |  |  |  |  |  |  |
Net assets acquired, lease equipment |  | 3,500 |  |  |  |  |  |  |
Net assets acquired, identifiable intangible assets |  | 800 |  |  |  |  |  |  |
Recorded gain from bargain purchase |  | $ 5,000 |  |  |  |  |  |  |
Zebra Technologies Corporation |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Asset purchase agreement closing date |  |  |  |  |  | Oct. 28, 2016 |  |  |
Net assets acquired, financing receivables |  |  |  |  |  | $ 14,636 |  |  |
Net assets acquired, identifiable intangible assets |  |  |  |  |  | 20,300 |  |  |
Net cash consideration |  |  |  |  |  | $ 49,500 |  |  |
Zebra Technologies Corporation | In-Process Research and Development |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Fair value of indefinite lived intangibles |  |  |  |  |  |  | 1,400 |  |
Zebra Technologies Corporation | Developed Technology |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Fair value of indefinite lived intangibles |  |  |  |  |  |  | $ 1,400 |  |
Subsequent Event | Aerohive Networks, Inc. |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Business acquisition, date of acquisition | Aug. 09, 2019 |  |  |  |  |  |  |  |
Business acquisition, cash consideration | $ 264,000 |  |  |  |  |  |  |  |
Business acquisition, consideration price per share | $ / shares | $ 4.45 |  |  |  |  |  |  |  |

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