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Accounts Receivable, Net (Tables) | 12 Months Ended
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Jul. 31, 2017
Accounts Receivable, Net [Abstract] |
Schedule of accounts receivable | Accounts receivable, net consisted of:
|  | July 31,
(In thousands) |  | 2017 |  | 2016
Advance charges receivable |  | $ | 204,097 |  |  | $ | 182,824 |
Trade accounts receivable |  | 110,189 |  |  | 86,455 |
Other receivables |  | 1,871 |  |  | 1,111 |
|  | 316,157 |  |  | 270,390 |
Less: Allowance for doubtful accounts |  | (4,311 | ) |  | (4,120 | )
Accounts receivable, net |  | $ | 311,846 |  |  | $ | 266,270 |
Schedule of movements in the allowance for doubtful accounts | The movements in the allowance for doubtful accounts were as follows:
|  | July 31,
(In thousands) |  | 2017 |  | 2016 |  | 2015
Balance at beginning of year |  | $ | 4,120 |  |  | $ | 2,988 |  |  | $ | 3,584 |
Charged to costs and expenses |  | 2,928 |  |  | 3,646 |  |  | 2,221 |
Deductions to bad debt |  | (2,737 | ) |  | (2,514 | ) |  | (2,817 | )
Balance at end of year |  | $ | 4,311 |  |  | $ | 4,120 |  |  | $ | 2,988 |

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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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