Supplemental Disclosures of Cash Flow Information - Significant Noncash Investing and Financing Activities (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2018	Dec. 31, 2017	Jan. 01, 2017
Noncash Investing And Financing Activities [Line Items]
Additions to property, plant and equipment accrued and recorded in accounts payable, trade	$ 13,675	$ 22,329	$ 15,704
Estimated fair value related to the October 2017 Divestitures		151,434
Gain on acquisition of Southeastern Container preferred shares in CCR redistribution		6,012
Accounts receivable from The Coca-Cola Company for adjustments to the cash purchase price for the April 2017 Transactions		4,707
Capital lease obligations incurred		2,233
Class B Common Stock [Member]
Noncash Investing And Financing Activities [Line Items]
Issuance of Class B Common Stock in connection with stock award	$ 3,831	$ 3,669	$ 3,726