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SIGNIFICANT ACCOUNTING POLICIES (Details 4) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jul. 30, 2016 | Aug. 01, 2015 | Aug. 02, 2014
Amortizing intangible assets: |  |  |
Gross Carrying Amount | $ 200,913 | $ 97,892 |
Accumulated Amortization | 34,315 | 25,717 |
Net | 166,598 | 72,175 |
Total intangible assets |  |  |
Intangible assets, gross | 256,629 | 151,547 |
Intangible assets, net | 222,314 | 125,830 |
Amortization expense | 8,900 | 7,800 | $ 5,100
Estimated future amortization expense on finite lived intangible assets |  |  |
2014 | 15,099 |  |
2015 | 14,720 |  |
2016 | 14,704 |  |
2017 | 14,047 |  |
2018 | 13,130 |  |
2022 and thereafter | 94,898 |  |
Net | 166,598 | 72,175 |
Customer relationships |  |  |
Amortizing intangible assets: |  |  |
Gross Carrying Amount | 196,313 | 96,192 |
Accumulated Amortization | 33,447 | 25,364 |
Net | 162,866 | 70,828 |
Estimated future amortization expense on finite lived intangible assets |  |  |
Net | 162,866 | 70,828 |
Noncompete Agreements |  |  |
Amortizing intangible assets: |  |  |
Gross Carrying Amount | 2,900 | 1,700 |
Accumulated Amortization | 753 | 353 |
Net | 2,147 | 1,347 |
Estimated future amortization expense on finite lived intangible assets |  |  |
Net | 2,147 | 1,347 |
Trademarks and tradenames |  |  |
Amortizing intangible assets: |  |  |
Gross Carrying Amount | 1,700 | 0 |
Accumulated Amortization | 115 | 0 |
Net | 1,585 | 0 |
Indefinite lived intangible assets: |  |  |
Indefinite lived intangible assets | 55,716 | 53,655 |
Estimated future amortization expense on finite lived intangible assets |  |  |
Net | $ 1,585 | $ 0 |

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