Defined Benefit Plan Contribution Of Pension Fund In Excess Of Total Contribution

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- Definition

Defined benefit plan estimated future non-cash settlement charge.

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No definition available.

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Defined Benefit Plan Weighted Average Annual Return On Plan Assets

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No definition available.

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- Definition

Minimum Age For Eligibility For Postretirement Benefits

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Multiemployer plan withdrawal liability of net present value monthly payments period.

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No definition available.

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- Definition

Multiemployer plans tax payments payable date.

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Multiemployer plans transition payments payable.

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No definition available.

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Multiemployer plans, withdrawal obligation increase (decrease).

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No definition available.

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Payment of multiemployer plans withdrawal obligation.

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Pension and other postretirement benefits disclosure.

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No definition available.

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Postretirement benefits tenure of service for eligibility.

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No definition available.

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- Definition

Proceeds from sale of defined benefit plan employer and related party securities included in plan assets.

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No definition available.

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- Definition

Retiree Medical Plan Eligibility Requirements Continuous Service Period

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- Definition

Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses.

+ References

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- Definition

Amount of employer security in which defined benefit plan asset is invested. Includes, but is not limited to, security issued or managed by related party of employer.

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- Definition

Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.

+ References

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- Definition

Amount of contributions received by defined benefit plan from participant which increase benefit obligation.

+ References

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- Definition

Amount of contribution received by defined benefit plan from employer which increases plan assets.

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- Definition

Amount of cost (credit) included in accumulated other comprehensive (income) loss expected to be recognized in net periodic benefit cost (credit) for fiscal year following most recent annual statement of financial position.

+ References

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- Definition

Amount of contributions expected to be received by defined benefit plan from employer in next fiscal year following latest fiscal year.

+ References

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- Definition

Amount of contributions expected to be received by defined benefit plan from employer in fiscal year. Excludes contributions paid by employer in current fiscal year.

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- Definition

Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status.

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- Definition

Number of shares of employer stock in which defined benefit plan asset is invested. Includes, but is not limited to, stock issued or managed by related party of employer.

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- Definition

Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement.

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- Definition

Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

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- Definition

Amount of discretionary contributions made by an employer to a defined contribution plan.

+ References

No definition available.

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- Definition

Indicate whether the multiemployer plan is less than 65 percent funded, between 65 and less than 80 percent funded, or at least 80 percent funded. The acceptable values are: (1) "less than 65 percent", (2) "between 65 and less than 80 percent", (3) "at least 80 percent", and (4) "NA". A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

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Amount of minimum contribution(s) required for future periods to a multiemployer plan by collective bargaining arrangements, statutory obligations, or other contractual obligations. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

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Amount of the obligation recognized by withdrawing from a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

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No definition available.

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Amount of cost (reversal of cost) for pension and other postretirement benefits.

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No definition available.

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Postretirement Plans - Additional Information (Detail) - USD ($)	3 Months Ended							4 Months Ended		12 Months Ended
	Oct. 05, 2019	Jul. 13, 2019	Dec. 29, 2018	Oct. 06, 2018	Jul. 14, 2018	Dec. 30, 2017	Oct. 07, 2017	Apr. 20, 2019	Apr. 21, 2018	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2017
Pension and Other Postretirement Benefits Disclosure [Line Items]
Settlement loss			$ (1,148,000)	$ (930,000)	$ (1,035,000)	$ (1,619,000)	$ (3,030,000)		$ (4,668,000)		$ 0	$ (7,781,000)	$ (4,649,000)
Voluntarily contributions made by an employer		$ 0						$ 0			0
Expected pension cost for fiscal 2019											2,000,000.0
Expected company contribution											$ 675,000
Postretirement Benefits, minimum years of service for eligibility											10 years
Postretirement Benefits, minimum age for eligibility											55 years
Expense under plans											$ 3,234,000	$ 8,474,000	$ (897,000)
Contribution of pension fund in excess of total contribution											5.00%	5.00%	5.00%
Multiemployer plans, minimum contribution											$ 0
Multiemployer plan, withdrawal obligation							$ 15,200,000
Multiemployer plans transition payments payable			3,100,000									$ 3,100,000
Multiemployer plans payable date												Nov. 03, 2017
Multiemployer plan withdrawal liability of net present value monthly payments period							20 years
Multiemployer plans, increase in withdrawal obligation									2,300,000
Multiemployer plan, withdrawal obligation paid									200,000
Common Stock
Pension and Other Postretirement Benefits Disclosure [Line Items]
Defined benefit plan equity securities included in common stock														2,030,363
Equity securities, amount														$ 39,200,000
Percentage of total plan assets														11.50%
Proceeds from sale of equity securities												$ 41,000,000.0
Pension plans
Pension and Other Postretirement Benefits Disclosure [Line Items]
Required cash contribution to fully fund under defined benefit plans			(32,238,000)								(36,231,000)	(32,238,000)
Settlement loss												(7,781,000)	$ (4,649,000)
Actual return on plan assets											51,848,000	$ 2,437,000	$ 42,100,000
Amortization from AOCI into net periodic cost (benefit)											$ 7,800,000
Expected long-term rate of return on plan assets											5.34%	5.34%	8.00%
Contribution of company to company pension plans											$ 2,771,000	$ 40,971,000	$ 1,891,000
Last Fifteen Years
Pension and Other Postretirement Benefits Disclosure [Line Items]
Average annual return on the plan assets											7.10%
Non Qualified Pension Plans \| Forecast
Pension and Other Postretirement Benefits Disclosure [Line Items]
Expected company contribution										$ 300,000
Postretirement Benefit Plans
Pension and Other Postretirement Benefits Disclosure [Line Items]
Required cash contribution to fully fund under defined benefit plans			(8,194,000)								$ (7,477,000)	(8,194,000)
Amortization from AOCI into net periodic cost (benefit)											(300,000)
Contribution of company to company pension plans											722,000	1,308,000
Expected company contribution			$ 700,000									700,000
Contributions by participants											662,000	823,000	300,000
Multiemployer Plans
Pension and Other Postretirement Benefits Disclosure [Line Items]
Expense under plans											$ 1,100,000	$ 1,000,000.0	2,100,000
Red Zone
Pension and Other Postretirement Benefits Disclosure [Line Items]
Percentage of funded under multi employer plans											Less than 65 percent
Yellow Zone
Pension and Other Postretirement Benefits Disclosure [Line Items]
Percentage of funded under multi employer plans											Between 65 and less than 80 percent
Green Zone
Pension and Other Postretirement Benefits Disclosure [Line Items]
Percentage of funded under multi employer plans											At least 80 percent
Plan No. 1
Pension and Other Postretirement Benefits Disclosure [Line Items]
Voluntarily contributions made by an employer				100,000	$ 30,000,000.0				$ 10,000,000.0
Percentage of total plan assets			100.00%								100.00%	100.00%
Plan No. 1 \| Forecast
Pension and Other Postretirement Benefits Disclosure [Line Items]
Expected long-term rate of return on plan assets										4.80%
Expected company contribution										$ 30,000,000.0
Plan No. 2
Pension and Other Postretirement Benefits Disclosure [Line Items]
Voluntarily contributions made by an employer	$ 2,500,000			$ 600,000
Percentage of total plan assets											100.00%
Plan No. 2 \| Forecast
Pension and Other Postretirement Benefits Disclosure [Line Items]
Expected long-term rate of return on plan assets										7.10%
Expected company contribution										$ 2,500,000
Required \| Pension plans
Pension and Other Postretirement Benefits Disclosure [Line Items]
Contribution of company to company pension plans											$ 1,040,000	$ 271,000	286,000
Required \| Non Qualified Pension Plans
Pension and Other Postretirement Benefits Disclosure [Line Items]
Contribution of company to company pension plans											300,000
Discretionary \| Pension plans
Pension and Other Postretirement Benefits Disclosure [Line Items]
Contribution of company to company pension plans											1,731,000	$ 40,700,000	$ 1,605,000
Discretionary \| Qualified Pension Plans
Pension and Other Postretirement Benefits Disclosure [Line Items]
Contribution of company to company pension plans											1,700,000
Minimum
Pension and Other Postretirement Benefits Disclosure [Line Items]
Required cash contribution to fully fund under defined benefit plans											17,000,000.0
Defined benefit plans estimated final non-cash settlement charge											$ 125,000,000.0
Retiree medical coverage provided											3 years
Maximum
Pension and Other Postretirement Benefits Disclosure [Line Items]
Required cash contribution to fully fund under defined benefit plans											$ 35,000,000.0
Defined benefit plans estimated final non-cash settlement charge											$ 143,000,000.0
Retiree medical coverage provided											5 years