Benefit Plans - Additional Information (Detail) $ in Thousands	12 Months Ended
	Dec. 30, 2018 USD ($) Benefit_Plan Security	Dec. 31, 2017 USD ($)	Jan. 01, 2017 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation	$ 279,000	$ 303,900
Debt securities comprised number of institutional bond | Security	2
Weighted average duration of institutional bond	3 years
Plan assets at fair value	$ 255,389	$ 257,790
Multiemployer plans status green zone minimum funded percentage	80.00%
Multiemployer plans listing in pension funds minimum contribution reckoning percent	5.00%
Multiemployer pension plan withdrawing liability recorded	$ 6,900
Multiemployer pension plan withdrawing annual payment amount	$ 1,000
Rehabilitation Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Multiemployer pension plan Rehabilitation Plan adoption effective date	Jan. 01, 2015
Collective bargaining agreement, effective date	Apr. 28, 2014
Employer-Teamsters and Pension Trust Fund [Member]
Defined Benefit Plan Disclosure [Line Items]
Multiemployer plans collective bargaining remainder of arrangements, expiration date	Jul. 31, 2021
401(k) Savings Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Company maximum contribution percentage under plan	5.00%	5.00%	5.00%
Cost recognized	$ 21,200	$ 18,400	$ 14,900
Equity Securities [Member] | Fair Value Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets at fair value	$ 800	$ 700
Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average duration of cash and cash equivalents	3 months
Executive Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Number of executive benefit plans | Benefit_Plan	4
Supplemental Savings Incentive Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Company contributions vesting period	5 years
Company maximum contribution percentage under plan	50.00%	50.00%	50.00%
Company actual contribution percentage under plan	50.00%	50.00%	50.00%
Participant contributions percentage under plan	6.00%	6.00%	6.00%
Long-Term Retention Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Vested percentage until age 51 under plan	50.00%
Age vesting percentage increases	51 years
Annual vested percentage increase under plan beginning at age 51	5.00%
Fully vested age	60 years
Annuity to eligible participants installment payment period one	10 years
Annuity to eligible participants installment payment period two	15 years
Annuity to eligible participants installment payment period three	20 years
Officer Retention Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Vested percentage until age 51 under plan	50.00%
Age vesting percentage increases	51 years
Annual vested percentage increase under plan beginning at age 51	5.00%
Fully vested age	60 years
Annuity to eligible participants installment payment period one	10 years
Annuity to eligible participants installment payment period two	15 years
Annuity to eligible participants installment payment period three	20 years
Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Number of company-sponsored pension plans | Benefit_Plan	2
Benefit pension plan, contributions	$ 11,249
Plan assets at fair value	256,168	$ 258,513	$ 228,256
Pension Plans [Member] | Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit pension plan, contributions	1,000
Pension Plans [Member] | Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit pension plan, contributions	$ 2,000