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Debt (Schedule Of Debt) (Detail) - USD ($) $ in Millions | Mar. 30, 2018 | Dec. 29, 2017
--- | --- | ---
Debt Instrument [Line Items] |  |  |
Total debt | $ 1,122.3 | $ 913.9 |
Less: Short-term debt | 430.5 | 128.4 | [1]
Long-term debt | 691.8 | 785.5 | [1]
Uncommitted Facilities [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Total debt | 130.0 | 128.0 |
Senior Notes [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal amount | 400.0 | 400.0 |
Unamortized discount on Notes | (2.1) | (2.2) |
Debt issuance costs | (2.0) | (2.1) |
Promissory Notes And Other Debt [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Principal amount | 0.9 | 0.8 |
Total debt | 1.4 | 1.2 |
2014 Credit Facility [Member] | Revolving Credit Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Total debt | 295.0 | $ 389.0 |
Two Thousand Eighteen Interim Credit Facilities [Member] | Revolving Credit Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Short-term Debt | $ 300.0 |  |
[1] | See Note 2 for a summary of adjustments

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