XML 43 R33.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Retirement Plans (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2017
Compensation and Retirement Disclosure [Abstract] |
Summary of Net Pension and SERP Expense Recognized | The following is a summary of net pension and Supplemental Executive Retirement Plan (“SERP”) expense recognized by the Company.
(In millions) | 13 Weeks Ended September 30, 2017 |  | 12 Weeks Ended September 10, 2016 |  | 39 Weeks Ended September 30, 2017 |  | 36 Weeks Ended September 10, 2016
Service cost pertaining to benefits earned during the period | $ | 1.8 |  |  | $ | 1.5 |  |  | $ | 5.4 |  |  | $ | 4.5 |
Interest cost on projected benefit obligations | 4.5 |  |  | 4.5 |  |  | 13.3 |  |  | 13.3 |
Expected return on pension assets | (5.0 | ) |  | (4.6 | ) |  | (14.8 | ) |  | (13.9 | )
Net amortization loss | 2.4 |  |  | 1.1 |  |  | 7.3 |  |  | 3.4 |
Net pension expense | $ | 3.7 |  |  | $ | 2.5 |  |  | $ | 11.2 |  |  | $ | 7.3 |

X
- References No definition available. + Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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=65897934&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfNetBenefitCostsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration