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Business Combinations (Narratives) (Details) $ in Thousands |  |  |  |  |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 01, 2017 USD ($) | Oct. 27, 2017 USD ($) Quarter | Jul. 14, 2017 | Mar. 07, 2017 USD ($) | Oct. 28, 2016 USD ($) | Mar. 31, 2018 USD ($) | Mar. 31, 2017 USD ($) | Mar. 31, 2018 USD ($) Acquisition | Mar. 31, 2017 USD ($) | Dec. 31, 2017 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Number of acquisitions completed | Acquisition |  |  |  |  |  |  |  | 3 |  |
Upfront cash closing payment |  |  |  |  |  |  |  | $ 97,581 | $ 51,088 |
Acquisition and integration related expenses |  |  |  |  |  | $ 9,316 | $ 3,418 | 47,675 | $ 9,908 |
Recorded gain from bargain purchase |  |  |  |  |  |  |  | 5,030 |  |
Data Center Business |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Asset purchase agreement closing date |  | Oct. 27, 2017 |  |  |  |  |  |  |  |
Upfront cash closing payment |  | $ 23,000 |  |  |  |  |  |  |  |
Deferred payment to be paid per quarter |  | $ 1,000 |  |  |  |  |  |  |  |
Number of quarters deferred payment to be paid | Quarter |  | 20 |  |  |  |  |  |  |  |
Quarterly earn out payments in percentage of profits |  | 50.00% |  |  |  |  |  |  |  |
Quarterly earn out payments period |  | 5 years |  |  |  |  |  |  |  |
Increase in revenue |  |  |  |  |  |  |  | 90,200 |  |
Acquisition and integration related expenses |  |  |  |  |  | 5,000 |  | 38,800 |  |
Business acquisition, purchase price |  | $ 84,337 |  |  |  |  |  |  |  |
Net assets acquired, financing receivables |  |  |  |  |  | 33,488 |  | 33,488 |  | $ 33,488
Net assets acquired, identifiable intangible assets |  |  |  |  |  | 32,200 |  | 32,200 |  | 28,600
Broadcom Corporation |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Consent fee paid to terminate previous asset purchase agreement |  |  |  |  |  | 25,000 |  |  |  |
Campus Fabric Business |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Asset purchase agreement closing date |  |  | Jul. 14, 2017 |  |  |  |  |  |  |
Increase in revenue |  |  |  |  |  |  |  | 127,700 |  |
Acquisition and integration related expenses |  |  |  |  |  | 4,400 |  | 13,900 |  |
Business acquisition, purchase price |  |  |  | $ 100,000 |  |  |  |  |  |
Business acquisition, provisional consideration |  |  |  | $ 79,800 |  |  |  |  |  |
Net assets acquired, financing receivables |  |  |  |  |  | 18,712 |  | 18,712 |  | 18,295
Net assets acquired, identifiable intangible assets |  |  |  |  |  | 42,200 |  | 42,200 |  | $ 46,900
Campus Fabric Business | In-Process Research and Development |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Fair value of indefinite lived intangibles |  |  |  |  |  | 2,600 |  | 2,600 |  |
Campus Fabric Business | Developed Technology |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Fair value of indefinite lived intangibles |  |  |  |  |  | $ 2,600 |  | $ 2,600 |  |
Capital Financing Business |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Asset purchase agreement closing date | Dec. 01, 2017 |  |  |  |  |  |  |  |  |
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 |  |  |  |  |  |  |  |  |
Fair value of contingent consideration | 13,000 |  |  |  |  |  |  |  |  |
Capital Financing Business | Acquisition and Integration Costs |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
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 |  |  |  |  |

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