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Goodwill (Tables) | 9 Months Ended
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Jan. 27, 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 nine months ended January 27, 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 | 38 |  |  | 258 |  |  | 38 |  |  | 323 |  |  | 657 |
Balance as of January 27, 2018 | $ | 2,312 |  |  | $ | 3,457 |  |  | $ | 83 |  |  | $ | 2,617 |  |  | $ | 8,469 |

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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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