Pension and Postretirement Benefit Obligations - Additional Information (Detail)	3 Months Ended	9 Months Ended
	Oct. 01, 2017 USD ($) Benefit_Plan	Oct. 01, 2017 USD ($) Benefit_Plan
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
Employer-Teamsters and Pension Trust Fund [Member] | Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Multi-employer plans collective bargaining arrangements, expiration date		Apr. 29, 2017
Employer-Teamsters and Pension Trust Fund [Member] | Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Multi-employer plans collective bargaining arrangements, renewal expiration term		2020-04
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
CCR Exchange Transactions [Member]
Defined Benefit Plan Disclosure [Line Items]
Effective date of business acquisition		Oct. 02, 2017
CCR Exchange Transactions [Member] | Disposal Group, Held-for-sale, Not Discontinued Operations [Member]
Defined Benefit Plan Disclosure [Line Items]
Postretirement benefit obligations held for sale	$ 14,661,000	$ 14,661,000
Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Number of company-sponsored pension plans | Benefit_Plan	2	2
Benefit pension plan, anticipated contribution	$ 0	$ 0
Primary Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Entity contribution to pension plans during the period	10,000,000
Bargaining Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Entity contribution to pension plans during the period	$ 1,600,000