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Postretirement Plans (Tables) | 12 Months Ended
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Dec. 30, 2017
Other Postretirement Benefit Plans, Defined Benefit [Member] |
Summary of Weighted-Average Assumptions Used to Determine Accumulated Benefit Obligation | The weighted-average discount rate used to determine Snap-on’s accumulated benefit obligation is as follows:
|  | 2017 |  | 2016
Discount rate |  | 3.6% |  | 4.1%

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