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Summary of Significant Accounting Policies (Tables) | 3 Months Ended
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Apr. 30, 2016
Accounting Policies [Abstract] |
Schedule of restricted cash, cash equivalents and investments | The following table summarizes total restricted cash, cash equivalents, and investments which were included in Prepaid expenses and other and Other long-term assets in the Condensed Consolidated Balance Sheets as of April 30, 2016, January 30, 2016, and May 2, 2015:
Restricted Assets ($000) | April 30, 2016 |  |  | January 30, 2016 |  |  | May 2, 2015 |
Prepaid expenses and other | $ | 15,778 |  |  | $ | 15,770 |  |  | $ | 19,706 |
Other long-term assets | 55,940 |  |  | 55,913 |  |  | 56,085 |
Total | $ | 71,718 |  |  | $ | 71,683 |  |  | $ | 75,791 |

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