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Benefit Plans (Tables) | 9 Months Ended
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Sep. 26, 2015
Benefit Plans [Abstract] |
Components of net periodic benefit costs | The Company sponsors several qualified and nonqualified pension plans and other postretirement benefit plans for certain of its employees. The components of net periodic benefit cost are as follows:
|  | For the Quarter Ended |  |  |  | For the Nine Months Ended |  |
(In thousands) |  | September 26, 2015 |  |  |  | September 27, 2014 |  |  |  | September 26, 2015 |  |  |  | September 27, 2014 |  |
Pension benefits: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | 250 |  |  |  | $ | 199 |  |  |  | $ | 750 |  |  |  | $ | 596 |  |
Interest cost |  |  | 2,041 |  |  |  |  | 2,064 |  |  |  |  | 6,122 |  |  |  |  | 6,191 |  |
Expected return on plan assets |  |  | (2,654 | ) |  |  |  | (3,202 | ) |  |  |  | (7,963 | ) |  |  |  | (9,604 | ) |
Amortization of prior service cost |  |  | — |  |  |  |  | 1 |  |  |  |  | — |  |  |  |  | 1 |  |
Amortization of net loss |  |  | 685 |  |  |  |  | 188 |  |  |  |  | 2,055 |  |  |  |  | 565 |  |
Net periodic benefit (income) cost |  | $ | 322 |  |  |  | $ | (750 | ) |  |  | $ | 964 |  |  |  | $ | (2,251 | ) |
Other benefits: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | 90 |  |  |  | $ | 88 |  |  |  | $ | 270 |  |  |  | $ | 264 |  |
Interest cost |  |  | 193 |  |  |  |  | 181 |  |  |  |  | 579 |  |  |  |  | 544 |  |
Amortization of prior service cost (credit) |  |  | 2 |  |  |  |  | — |  |  |  |  | 5 |  |  |  |  | (1 | ) |
Amortization of net gain |  |  | (7 | ) |  |  |  | (55 | ) |  |  |  | (20 | ) |  |  |  | (164 | ) |
Net periodic benefit cost |  | $ | 278 |  |  |  | $ | 214 |  |  |  | $ | 834 |  |  |  | $ | 643 |  |

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + 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 (h) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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