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Post-Retirement Plans (Tables) | 6 Months Ended
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Jul. 15, 2017
Summary of Company's Balance Sheet Related Pension and Other Postretirement Benefit Plan | The following summarizes the company’s balance sheet related pension and other post-retirement benefit plan accounts at July 15, 2017 as compared to accounts at December 31, 2016 (amounts in thousands):
|  | July 15, 2017 |  |  | December 31, 2016 |
Current benefit liability |  | $ | 979 |  |  | $ | 979 |
Noncurrent benefit liability |  | $ | 63,220 |  |  | $ | 69,601 |
Accumulated other comprehensive loss, net of tax |  | $ | 80,221 |  |  | $ | 82,222 |
Pension plans |
Components of Net Periodic Benefit / (Income) Cost | The net periodic pension cost (income) for the company’s plans include the following components (amounts in thousands):
|  | For the Twelve Weeks Ended |  |  | For the Twenty-Eight Weeks Ended |
|  | July 15, 2017 |  |  | July 16, 2016 |  |  | July 15, 2017 |  |  | July 16, 2016 |
Service cost |  | $ | 174 |  |  | $ | 192 |  |  | $ | 407 |  |  | $ | 447 |
Interest cost |  |  | 3,006 |  |  |  | 2,884 |  |  |  | 7,013 |  |  |  | 7,417 |
Expected return on plan assets |  |  | (5,895 | ) |  |  | (5,457 | ) |  |  | (13,754 | ) |  |  | (14,069 | )
Settlement loss |  |  | — |  |  |  | 4,641 |  |  |  | — |  |  |  | 4,641 |
Amortization of prior service cost |  |  | 89 |  |  |  | 76 |  |  |  | 208 |  |  |  | 195 |
Amortization of net loss |  |  | 1,469 |  |  |  | 1,155 |  |  |  | 3,427 |  |  |  | 2,953 |
Total net periodic pension benefit (income) cost |  | $ | (1,157 | ) |  | $ | 3,491 |  |  | $ | (2,699 | ) |  | $ | 1,584 |
Post-retirement Benefit Plan |
Components of Net Periodic Benefit / (Income) Cost | The net periodic post-retirement benefit (income) cost for the company includes the following components (amounts in thousands):
|  | For the Twelve Weeks Ended |  |  | For the Twenty-Eight Weeks Ended |
|  | July 15, 2017 |  |  | July 16, 2016 |  |  | July 15, 2017 |  |  | July 16, 2016 |
Service cost |  | $ | 59 |  |  | $ | 93 |  |  | $ | 138 |  |  | $ | 216 |
Interest cost |  |  | 52 |  |  |  | 71 |  |  |  | 122 |  |  |  | 166 |
Amortization of prior service credit |  |  | (49 | ) |  |  | (49 | ) |  |  | (114 | ) |  |  | (114 | )
Amortization of net gain |  |  | (114 | ) |  |  | (105 | ) |  |  | (268 | ) |  |  | (245 | )
Total net periodic post-retirement benefit (income) cost |  | $ | (52 | ) |  | $ | 10 |  |  | $ | (122 | ) |  | $ | 23 |

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- Definition Tabular disclosure of the amounts that are recognized in the balance sheet (or statement of financial position) for pension plans and/or other employee benefit plans, showing separately the assets and current and noncurrent liabilities (if applicable) recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the costs related to the various types of retirement plans including defined benefit pension plan cost, defined contribution plan cost, other postretirement benefit plan cost, and net periodic benefit cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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