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Goodwill and Intangible Assets (Tables) | 12 Months Ended
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Apr. 28, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill | The changes in the carrying amount of goodwill related to each reportable segment for the fiscal year ended April 28, 2018 were as follows:
| Live Events |  | Commercial |  | Transportation |  | International |  | Total
Balance as of April 29, 2017: | $ | 2,274 |  |  | $ | 3,199 |  |  | $ | 45 |  |  | $ | 2,294 |  |  | $ | 7,812 |
Foreign currency translation | 21 |  |  | 145 |  |  | 22 |  |  | 264 |  |  | 452 |
Balance as of April 28, 2018: | $ | 2,295 |  |  | $ | 3,344 |  |  | $ | 67 |  |  | $ | 2,558 |  |  | $ | 8,264 |
Schedule of Definite-Lived Intangible and Indefinite-Lived Intangible Assets | The following table summarizes intangible assets, net, as of April 28, 2018 and April 29, 2017:
| April 28, 2018
| Weighted Average Life (in years) |  | Gross Carrying Amount |  | Accumulated Amortization |  | Impairment |  | Net Carrying Amount
Registered trademarks | 20.0 |  | $ | 709 |  |  | $ | 118 |  |  | $ | — |  |  | $ | 591 |
Software | 3.0 |  | 2,978 |  |  | 2,109 |  |  | — |  |  | 869 |
Customer relationships | 10.0 |  | 2,859 |  |  | 637 |  |  | — |  |  | 2,222 |
Other | 1.0 |  | 100 |  |  | 100 |  |  | — |  |  | — |
Total amortized intangible assets | 7.8 |  | $ | 6,646 |  |  | $ | 2,964 |  |  | $ | — |  |  | $ | 3,682 |
| April 29, 2017
| Weighted Average Life (in years) |  | Gross Carrying Amount |  | Accumulated Amortization |  | Impairment |  | Net Carrying Amount
Registered trademarks | 20.0 |  | $ | 1,604 |  |  | $ | 429 |  |  | $ | 604 |  |  | $ | 571 |
Software | 3.0 |  | 2,814 |  |  | 1,055 |  |  | — |  |  | 1,759 |
Customer relationships | 9.7 |  | 3,209 |  |  | 608 |  |  | 226 |  |  | 2,375 |
Other | 1.0 |  | 95 |  |  | 95 |  |  | — |  |  | — |
Total amortized intangible assets | 9.3 |  | $ | 7,722 |  |  | $ | 2,187 |  |  | $ | 830 |  |  | $ | 4,705 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense | As of April 28, 2018, amortization expenses for future periods were estimated to be as follows:
Fiscal years ending |  | Amount
2019 |  | $ | 1,200 |
2020 |  | 331 |
2021 |  | 328 |
2022 |  | 303 |
2023 |  | 303 |
Thereafter |  | 1,217 |
Total expected amortization expense |  | $ | 3,682 |

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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