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Fair Value Measurements (Tables) | 3 Months Ended
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Apr. 30, 2016
Fair Value Disclosures [Abstract] |
Schedule of fair values | The fair value of the Company’s financial instruments are as follows:
($000) |  | April 30, 2016 |  |  | January 30, 2016 |  |  | May 2, 2015 |
Cash and cash equivalents (Level 1) |  | $ | 910,025 |  |  | $ | 761,602 |  |  | $ | 761,356 |
Investments (Level 2) |  | $ | 3,060 |  |  | $ | 3,068 |  |  | $ | 3,641 |
Restricted cash and cash equivalents (Level 1) |  | $ | 67,998 |  |  | $ | 67,947 |  |  | $ | 72,006 |
Restricted investments (Level 1) |  | $ | 3,720 |  |  | $ | 3,736 |  |  | $ | 3,785 |
Schedule of fair value, assets and liabilities measured on recurring basis | The fair value measurement for funds with quoted market prices in active markets (Level 1) and for funds without quoted market prices in active markets (Level 2) are as follows:
($000) | April 30, 2016 |  |  | January 30, 2016 |  |  | May 2, 2015 |
Level 1 | $ | 81,285 |  |  | $ | 73,633 |  |  | $ | 89,536 |
Level 2 | 15,519 |  |  | 12,440 |  |  | 13,325 |
Total | $ | 96,804 |  |  | $ | 86,073 |  |  | $ | 102,861 |

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- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13476-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13467-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6447952&loc=d3e13220-108610 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13433-108611 + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258 + Details
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