Benefit Plans - Additional Information (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($) Benefit_Plan Security	Jan. 01, 2017 USD ($)	Jan. 03, 2016 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation	$ 303,900	$ 273,100
Weighted average asset allocation as per guidelines, minimum	100.00%
Defined benefit plan investment allocation	100.00%	100.00%
Debt securities comprised number of institutional bond | Security	2
Weighted average duration of institutional bond	3 years
Weighted average expected long-term rate of return on plan assets	6.00%
Plan assets at fair value	$ 257,790	$ 227,549
Multi-employer plans status green zone minimum funded percentage	80.00%
Multi-employer plans listing in pension funds minimum contribution reckoning percent	5.00%
Multi-employer pension plan exit liability recorded	$ 7,700
Multi-employer pension plan exit annual payment amount	$ 1,000
Rehabilitation Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Multi-employer 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]
Multi-employer plans collective bargaining remainder of arrangements, expiration date	Jul. 26, 2018
Equity Securities [Member] | Fair Value Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan assets at fair value	$ 700	$ 700
U.S. Large Capitalization Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocation as per guidelines, minimum	40.00%
Defined benefit plan investment allocation	41.00%	41.00%
Weighted average expected long-term rate of return on plan assets	3.00%
U.S. Small/Mid-Capitalization Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocation as per guidelines, minimum	5.00%
Defined benefit plan investment allocation	5.00%	5.00%
Weighted average expected long-term rate of return on plan assets	0.50%
International Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocation as per guidelines, minimum	15.00%
Defined benefit plan investment allocation	15.00%	15.00%
Weighted average expected long-term rate of return on plan assets	1.20%
Debt Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocation as per guidelines, minimum	40.00%
Defined benefit plan investment allocation	39.00%	39.00%
Weighted average expected long-term rate of return on plan assets	1.30%
Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan investment allocation	61.00%
Minimum [Member] | Employer-Teamsters and Pension Trust Fund [Member]
Defined Benefit Plan Disclosure [Line Items]
Multi-employer plans collective bargaining arrangements, expiration date	Apr. 29, 2017
Minimum [Member] | U.S. Large Capitalization Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocation as per guidelines, minimum	30.00%
Minimum [Member] | U.S. Small/Mid-Capitalization Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocation as per guidelines, minimum	0.00%
Minimum [Member] | International Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocation as per guidelines, minimum	0.00%
Minimum [Member] | Debt Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocation as per guidelines, minimum	10.00%
Maximum [Member] | Employer-Teamsters and Pension Trust Fund [Member]
Defined Benefit Plan Disclosure [Line Items]
Multi-employer plans collective bargaining arrangements, renewal expiration term	2020-04
Maximum [Member] | U.S. Large Capitalization Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocation as per guidelines, minimum	45.00%
Maximum [Member] | U.S. Small/Mid-Capitalization Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocation as per guidelines, minimum	20.00%
Maximum [Member] | International Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocation as per guidelines, minimum	10.00%
Maximum [Member] | Debt Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Weighted average asset allocation as per guidelines, minimum	50.00%
Executive Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Number of executive benefit plans | Benefit_Plan	4
Supplemental Savings 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 50 under plan	50.00%
Age vesting percentage increases	50 years
Annual vested percentage increase under plan after age 50	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
Retention Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Vested percentage until age 50 under plan	50.00%
Age vesting percentage increases	50 years
Annual vested percentage increase under plan after age 50	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	$ 10,726
Weighted average expected long-term rate of return on plan assets	6.00%	6.50%
Plan assets at fair value	$ 258,513	$ 228,256	$ 214,055
Pension Plans [Member] | Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit pension plan, contributions	10,000
Pension Plans [Member] | Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit pension plan, contributions	$ 20,000
Primary Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit pension plans, benefit obligation, discount rate	3.80%	4.44%	4.72%
Bargaining Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit pension plans, benefit obligation, discount rate	3.90%	4.49%	4.72%
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	$ 18,400	$ 14,900	$ 10,700