Components of Net Periodic Benefit (Income) Cost (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Oct. 07, 2017	Oct. 08, 2016	Oct. 07, 2017	Oct. 08, 2016
Pension plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 174	$ 192	$ 581	$ 639
Interest cost	2,779	3,140	9,792	10,557
Expected return on plan assets	(5,437)	(6,325)	(19,191)	(20,394)
Settlement loss	3,030	1,832	3,030	6,473
Amortization of prior service cost (credit)	83	96	291	291
Amortization of net (gain) loss	1,365	2,175	4,792	5,128
Total net periodic pension cost (income)	1,994	1,110	(705)	2,694
Post-retirement Benefit Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	59	93	197	308
Interest cost	52	71	174	237
Amortization of prior service cost (credit)	(49)	(49)	(163)	(163)
Amortization of net (gain) loss	(114)	(105)	(383)	(349)
Total net periodic pension cost (income)	$ (52)	$ 10	$ (175)	$ 33

Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan.

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- Definition

Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan.

+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan.

+ References

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- Definition

Amount of cost recognized for passage of time related to defined benefit plan.

+ 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)(2)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

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-Publisher FASB
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- Definition

Amount of net periodic benefit cost (credit) for defined benefit plan.

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- Definition

Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
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- Definition

Amount, before tax, of increase (decrease) to other comprehensive income from settlement and curtailment gain (loss) of defined benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
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