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Goodwill and Intangible Assets (Tables) | 12 Months Ended
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Apr. 29, 2017
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 29, 2017 were as follows:
| Live Events |  | Commercial |  | Transportation |  | International |  | Total
Balance as of April 30, 2016: | $ | 2,304 |  |  | $ | 3,350 |  |  | $ | 75 |  |  | $ | 2,387 |  |  | $ | 8,116 |
Acquisition, net of cash acquired | — |  |  | 55 |  |  | — |  |  | — |  |  | 55 |
Foreign currency translation | (30 | ) |  | (206 | ) |  | (30 | ) |  | (93 | ) |  | (359 | )
Balance as of April 29, 2017: | $ | 2,274 |  |  | $ | 3,199 |  |  | $ | 45 |  |  | $ | 2,294 |  |  | $ | 7,812 |
Schedule of Definite-Lived Intangible and Indefinite-Lived Intangible Assets | The following table summarizes intangible assets, net, as of April 29, 2017 and April 30, 2016:
| 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 |
| April 30, 2016
| Weighted Average Life (in years) |  | Gross Carrying Amount |  | Accumulated Amortization |  | Impairment |  | Net Carrying Amount
Registered trademarks | 18.3 |  | $ | 1,676 |  |  | $ | 194 |  |  | $ | — |  |  | $ | 1,482 |
Software | 3.0 |  | 3,046 |  |  | 46 |  |  | — |  |  | 3,000 |
Customer relationships | 9.7 |  | 3,449 |  |  | 300 |  |  | — |  |  | 3,149 |
Other | 1.0 |  | 103 |  |  | 13 |  |  | — |  |  | 90 |
Total amortized intangible assets | 8.8 |  | $ | 8,274 |  |  | $ | 553 |  |  | $ | — |  |  | $ | 7,721 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense | As of April 29, 2017, amortization expenses for future periods were estimated to be as follows:
Fiscal years ending |  | Amount
2018 |  | $ | 1,250 |
2019 |  | 1,132 |
2020 |  | 312 |
2021 |  | 308 |
2022 |  | 285 |
Thereafter |  | 1,418 |
Total expected amortization expense |  | $ | 4,705 |

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