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RESTRUCTURING ACTIVITIES AND ASSET IMPAIRMENTS (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Oct. 31, 2015 | Nov. 01, 2014
Restructuring Costs [Abstract] |  |
Severance Costs | $ 2,285 |
Restructuring and asset impairment expenses | 2,809 | $ 555
Cash Payments |  |
Severance Costs | 2,285 |
Payments for Restructuring | (1,031) |
Restructuring Cost Liability as of October 31, 2015 |  |
Restructuring Reserve | 1,778 |
Asset Impairment Charges |  | $ 555
Employee Severance [Member] |  |
Restructuring Costs [Abstract] |  |
Severance Costs | 2,285 |
Cash Payments |  |
Severance Costs | 2,285 |
Restructuring Cost Liability as of October 31, 2015 |  |
Restructuring Reserve | 1,553 |
Contract Termination [Member] |  |
Restructuring Costs [Abstract] |  |
Loss on Contract Termination | 225 |
Cash Payments |  |
Loss on Contract Termination | 225 |
Restructuring Cost Liability as of October 31, 2015 |  |
Restructuring Reserve | 225 |
Other Restructuring [Member] |  |
Restructuring Costs [Abstract] |  |
Other Restructuring Costs | 299 |
Cash Payments |  |
Other Restructuring Costs | 299 |
Restructuring Cost Liability as of October 31, 2015 |  |
Restructuring Reserve | 0 |
Cash paid for restructuring [Member] |  |
Restructuring Costs [Abstract] |  |
Severance Costs | (732) |
Loss on Contract Termination | 0 |
Other Restructuring Costs | (299) |
Cash Payments |  |
Severance Costs | (732) |
Loss on Contract Termination | 0 |
Other Restructuring Costs | (299) |
Minimum |  |
Restructuring Costs |  |
Restructuring and Related Cost, Expected Cost | 1,200 |
Maximum |  |
Restructuring Costs |  |
Restructuring and Related Cost, Expected Cost | $ 2,200 |

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