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Derivatives and Risk Management (Non-designated Hedges) (Details) € in Millions, ZAR in Millions, $ in Millions | Jul. 26, 2013 | Dec. 30, 2017 USD ($) | Dec. 30, 2017 ZAR | Apr. 02, 2016 EUR (€)
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Net investment hedges | Forward contracts |  |  |  |
Derivative [Line Items] |  |  |  |
Hedged amount | € |  |  |  | € 45.0
Not designated as hedging instruments | Forward contracts |  |  |  |
Derivative [Line Items] |  |  |  |
Fair value of designated forward contracts | $ |  | $ 2.9 |  |
Hedged amount | ZAR |  |  | ZAR 39.8 |
Secured Debt | Designated as cash flow hedges | Cash Flow Hedges | Interest rate swaps |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, remaining maturity | 5 years |  |  |
Derivative, fixed interest rate | 1.288% |  |  |
Consolidated leverage ratio (the Ratio) less than 1.00 to 1.00 | Designated as cash flow hedges | Interest rate swaps |  |  |  |
Derivative [Line Items] |  |  |  |
Applicable margin based on the Company's consolidated leverage ratio (as a percent) | 3.50% |  |  |

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- Definition Period remaining until the derivative contract matures, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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