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Postretirement Health Care Plans | 6 Months Ended
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Jun. 30, 2018
Retirement Benefits [Abstract] |
Postretirement Health Care Plans | Postretirement Health Care Plans Snap-on’s net periodic postretirement health care cost included the following components:
| Three Months Ended |  | Six Months Ended
(Amounts in millions) | June 30, 2018 |  | July 1, 2017 |  | June 30, 2018 |  | July 1, 2017
Interest cost | $ | 0.4 |  |  | $ | 0.5 |  |  | $ | 0.9 |  |  | $ | 1.0 |
Expected return on plan assets | (0.2 | ) |  | (0.2 | ) |  | (0.4 | ) |  | (0.4 | )
Amortization of unrecognized gain | (0.1 | ) |  | — |  |  | (0.2 | ) |  | (0.1 | )
Net periodic postretirement health care cost | $ | 0.1 |  |  | $ | 0.3 |  |  | $ | 0.3 |  |  | $ | 0.5 |
The components of net periodic postretirement health care cost, other than the service cost component, are included in “Other income (expense) - net” on the accompanying Condensed Consolidated Statements of Earnings. See Note 15 for additional information on Other income (expense) - net.

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- References No definition available. + Details
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- Definition The entire disclosure for postemployment benefits, which may include supplemental unemployment benefits, obligations recognized for all types of benefits provided to former or inactive employees, their beneficiaries, and covered dependents after employment but before retirement. Disclosure may also include discussion that an obligation for postemployment benefits is not accrued in accordance with regulation only because the amount cannot be reasonably estimated. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 712 -URI http://asc.fasb.org/topic&trid=2197446 + Details
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