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Investments - Portfolio of Asset-Backed Loans and Other Invested Assets (Detail) (USD $) In Millions, unless otherwise specified | Dec. 30, 2012 | Sep. 30, 2012
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Asset-backed loans, by major industry: |  |
Total asset-backed loans | $ 207.4 | $ 181.5
Less: Allowance for credit losses | 2.6 | 1.4
Total asset-backed loans, net | 204.8 | 180.1
Wholesale [Member] |  |
Asset-backed loans, by major industry: |  |
Total asset-backed loans | 101.9 | 77.2
Apparel [Member] |  |
Asset-backed loans, by major industry: |  |
Total asset-backed loans | 49.1 | 70.1
Jewelry [Member] |  |
Asset-backed loans, by major industry: |  |
Total asset-backed loans | 23.0 | 27.9
Other [Member] |  |
Asset-backed loans, by major industry: |  |
Total asset-backed loans | $ 33.4 | $ 6.3

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- Details
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