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Company-Owned Life Insurance (Tables) | 12 Months Ended
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Feb. 23, 2018
Company-Owned Life Insurance [Abstract] |
Investment [Table Text Block] | The balances of our COLI investments as of February 23, 2018 and February 24, 2017 were as follows:
Type | Ability to Choose Investments | Net Return | Target Asset Allocation as of February 23, 2018 | Net Cash Surrender Value
February 23, 2018 | February 24, 2017
Whole life COLI policies | No ability | A rate of return set periodically by the insurance companies | Not applicable | $ | 124.3 |  |  | $ | 125.6 |  |
Variable life COLI policies | Can allocate across a set of choices provided by the insurance companies | Fluctuates depending on performance of underlying investments | 30% fixed income; 70% equity | 47.9 |  |  | 43.2 |  |
|  |  |  | $ | 172.2 |  |  | $ | 168.8 |  |

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- Definition A table of investments, shown as a text block. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 6 -Section 10 -Paragraph (c) -Subparagraph (1) + Details
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- Definition Company-Owned Life Insurance [Abstract] + References No definition available. + Details
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