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Intangibles (Tables) | 3 Months Ended
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Jul. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
Components of Intangible Assets | The components of intangible assets were:
(in thousands) |  | Weighted Average Amortization Period |  | Amortization Method |  | Cost |  | Accumulated Amortization |  | Net Carrying Amount
Customer relationships |  | 6 years |  | Straight-line |  | $ | 274,000 |  |  | $ | 26,639 |  |  | $ | 247,361 |
Trademarks |  | 3 years |  | Straight-line |  | 10,000 |  |  | 1,944 |  |  | 8,056 |
Intangible assets, net |  |  |  |  |  |  |  | $ | 28,583 |  |  | $ | 255,417 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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