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Revenue Recognition (Tables) | 3 Months Ended
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Jul. 31, 2018
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue | The following table disaggregates our consolidated revenue by major sales distribution channels for the three-months ended July 31, 2018 and 2017:
|  | Three Months Ended
|  | July 31,
(in thousands) |  | 2018 |  | 2017
Home center retailers |  | $ | 205,049 |  |  | $ | 89,723 |
Builders |  | 165,084 |  |  | 137,972 |
Independent dealers and distributors |  | 58,829 |  |  | 49,132 |
Net Sales |  | $ | 428,962 |  |  | $ | 276,827 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 + Details
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