v3.19.1

Commitments and Contingencies (Additional Information) (Details) $ in Millions |  |  |  |  |  |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
May 30, 2017 USD ($) | May 25, 2017 USD ($) | Mar. 14, 2017 USD ($) | Mar. 03, 2017 USD ($) patent | May 12, 2016 USD ($) | Sep. 04, 2013 patent | Apr. 27, 2019 USD ($) | Apr. 28, 2018 USD ($) | Apr. 27, 2019 USD ($) | Apr. 28, 2018 USD ($) | Jul. 28, 2018 USD ($)
Contingency [Line Items] |  |  |  |  |  |  |  |  |  |  |
Liability for purchase commitments |  |  |  |  |  |  | $ 129.0 |  | $ 129.0 |  | $ 159.0
Future compensation expense & contingent consideration (up to) |  |  |  |  |  |  | 512.0 |  | 512.0 |  |
Commitments and contingencies |  |  |  |  |  |  |  |  |  |  |
Volume of channel partner financing |  |  |  |  |  |  | 7,200.0 | $ 7,100.0 | 21,700.0 | $ 20,700.0 |
Balance of the channel partner financing subject to guarantees |  |  |  |  |  |  | 1,325.0 |  | 1,325.0 |  | 1,000.0
Financing provided by third parties for leases and loans on which the Company has provided guarantees |  |  |  |  |  |  | 1.0 | $ 3.0 | 11.0 | 29.0 |
Brazilian authority claim of import tax evasion by importer tax portion |  |  |  |  |  |  | 206.0 |  | 206.0 |  |
Brazilian authority claim of import tax evasion by importer interest portion |  |  |  |  |  |  | 1,300.0 |  | 1,300.0 |  |
Brazilian authority claim of import tax evasion by importer penalties portion |  |  |  |  |  |  | 1,000.0 |  | $ 1,000.0 |  |
SRI International |  |  |  |  |  |  |  |  |  |  |
Contingency [Line Items] |  |  |  |  |  |  |  |  |  |  |
Damages awarded, value |  |  |  |  | $ 23.7 |  |  |  |  |  |
SRI International | Pending Litigation |  |  |  |  |  |  |  |  |  |  |
Contingency [Line Items] |  |  |  |  |  |  |  |  |  |  |
Damages awarded, value |  | $ 57.0 |  |  |  |  |  |  |  |  |
Number of allegedly infringed patents (patent) | patent |  |  |  |  |  | 2 |  |  |  |  |
Percentage of royalty awarded |  | 3.50% |  |  |  |  |  |  |  |  |
Arista Networks, Inc vs. Company |  |  |  |  |  |  |  |  |  |  |
Contingency [Line Items] |  |  |  |  |  |  |  |  |  |  |
Proceeds from Legal Settlements |  |  |  |  |  |  | 400.0 |  |  |  |
Patent Infringement | Sprint Communications Company, L.P. vs. Time Warner Cable, Inc. | Pending Litigation |  |  |  |  |  |  |  |  |  |  |
Contingency [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of patents found infringed (patent) | patent |  |  |  | 5 |  |  |  |  |  |  |
Damages awarded, value |  |  | $ 139.8 | $ 139.8 |  |  |  |  |  |  |
Percentage of post-judgment interest awarded |  |  | 1.06% |  |  |  |  |  |  |  |
Pre-judgment interest requested | $ 20.3 |  |  |  |  |  |  |  |  |  |
Patent Indemnification |  |  |  |  |  |  |  |  |  |  |
Contingency [Line Items] |  |  |  |  |  |  |  |  |  |  |
Legal and indemnification settlement |  |  |  |  |  |  |  |  |  | $ 127.0 |
Minimum |  |  |  |  |  |  |  |  |  |  |
Contingency [Line Items] |  |  |  |  |  |  |  |  |  |  |
Warranty period for products |  |  |  |  |  |  |  |  | 90 days |  |
Channel partners revolving short-term financing payment term |  |  |  |  |  |  |  |  | 60 days |  |
Maximum |  |  |  |  |  |  |  |  |  |  |
Contingency [Line Items] |  |  |  |  |  |  |  |  |  |  |
Warranty period for products |  |  |  |  |  |  |  |  | 5 years |  |
Channel partners revolving short-term financing payment term |  |  |  |  |  |  |  |  | 90 days |  |
End user lease and loan term |  |  |  |  |  |  |  |  | 3 years |  |
Investments in privately held companies (impaired) |  |  |  |  |  |  |  |  |  |  |
Contingency [Line Items] |  |  |  |  |  |  |  |  |  |  |
Commitments and contingencies |  |  |  |  |  |  | $ 345.0 |  | $ 345.0 |  | $ 223.0

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