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Revenue (Tables) | 3 Months Ended
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Mar. 31, 2019
Revenue from Contract with Customer [Abstract] |
Disaggregation of revenue |
| For the Three Months Ended March 31,
| 2019 |  | 2018
Sales to do-it-yourself customers | $ | 1,337,029 |  |  | $ | 1,272,414 |
Sales to professional service provider customers | 1,038,781 |  |  | 975,009 |
Other sales and sales adjustments | 34,798 |  |  | 35,258 |
Total sales | $ | 2,410,608 |  |  | $ | 2,282,681 |

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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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