XML 51 R20.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Employee Benefits (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2012
Employee Benefits |
Schedule of net periodic cost of benefits of plans |
|  | Three Months Ended |  | Six Months Ended |
|  | June 30, |  | July 2, |  | June 30, |  | July 2, |
(Thousands of dollars) |  | 2012 |  | 2011 |  | 2012 |  | 2011 |
Components of net periodic benefit cost: |  |  |  |  |  |  |  |  |
Service cost |  | $ | 2,210 |  |  | $ | 1,805 |  | $ | 4,436 |  | $ | 3,732 |  |
Interest cost |  | 2,177 |  |  | 2,249 |  | 4,435 |  | 4,543 |  |
Expected return on plan assets |  | (1,617 | ) |  | (1,684 | ) | (3,209 | ) | (3,319 | ) |
Amortization and other |  | 1,567 |  |  | 992 |  | 3,097 |  | 2,043 |  |
Settlement |  | 1,796 |  |  | - |  | 1,796 |  | - |  |
Net periodic benefit cost |  | $ | 6,133 |  |  | $ | 3,362 |  | $ | 10,555 |  | $ | 6,999 |  |

X
- 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 -Topic 715 -SubTopic 20 -Publisher FASB -Number -Article -Subparagraph (h) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfNetBenefitCostsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration