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Accrued Expenses and Other Current Liabilities (Tables) | 6 Months Ended
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Jan. 31, 2017
Accrued Liabilities, Current [Abstract] |
Accrued expenses and other current liabilities | Accrued expenses and other current liabilities consist of the following at:
|  | January 31, 2017 |  | July 31, 2016
Accrued wages and benefits |  | $ | 23,395,000 |  |  | 23,394,000 |
Accrued legal costs |  | 19,909,000 |  |  | 32,469,000 |
Accrued warranty obligations |  | 19,014,000 |  |  | 15,362,000 |
Accrued acquisition-related costs |  | — |  |  | 2,119,000 |
Accrued contract costs |  | 10,687,000 |  |  | 8,348,000 |
Accrued commissions and royalties |  | 3,233,000 |  |  | 3,473,000 |
Other |  | 12,557,000 |  |  | 12,869,000 |
Accrued expenses and other current liabilities |  | $ | 88,795,000 |  |  | 98,034,000 |
Product warranty rollforward | our product warranty liability during the six months ended January 31, 2017 and 2016 were as follows:
|  | Six months ended January 31,
|  | 2017 |  | 2016
Balance at beginning of period |  | $ | 15,362,000 |  |  | 8,638,000 |
Provision for warranty obligations |  | 3,234,000 |  |  | 2,096,000 |
Adjustment to TCS pre-acquisition contingent liability |  | 4,200,000 |  |  | — |
Charges incurred |  | (3,782,000 | ) |  | (2,110,000 | )
Balance at end of period |  | $ | 19,014,000 |  |  | 8,624,000 |

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
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