XML 48 R34.htm IDEA: XBRL DOCUMENT v3.7.0.1

Pension and other postretirement benefits (Tables)

3 Months Ended

Apr. 02, 2017

Compensation and Retirement Disclosure [Abstract]

Net Benefit Cost of Pension and Postretirement Benefit Plans

Net pension and other postretirement benefits expense (income) consist of the following:

	Pension Three Months Ended								Other Postretirement Benefits Three Months Ended
	April 2, 2017				March 27, 2016				April 2, 2017				March 27, 2016
	(Dollars in thousands)
Service cost	$	717			$	652			$	74			$	111
Interest cost	3,785				3,920				378				406
Expected return on plan assets	(6,743		)		(6,198		)		—				—
Net amortization and deferral	1,690				1,579				65				57
Net benefits expense (income)	$	(551	)		$	(47	)		$	517			$	574

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