Benefit Plans - Additional Information (Detail)	6 Months Ended
	Jul. 02, 2017 USD ($) Benefit_Plan
Defined Benefit Plan Disclosure [Line Items]
Entity contribution in its owned sponsored pension plan during the period	$ 0
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
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
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
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
Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Number of company-sponsored pension plans | Benefit_Plan	2
Pension Plans [Member] | Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit pension plan, anticipated contribution	$ 10,000,000
Pension Plans [Member] | Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit pension plan, anticipated contribution	$ 12,000,000