Consolidated Financial Statement Details (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 30, 2017	Dec. 29, 2018	Dec. 30, 2017		Dec. 31, 2016
Other Current Liabilities [Abstract]
Accrued discounts and allowances	$ 39,500	$ 48,600	$ 39,500
Taxes payable, current	9,200	5,000	9,200
Accrued interest	5,900	5,800	5,900
Environmental expense, non operating properties	$ 6,200	3,600	4,300
Other (Expense) Income, Net [Abstract]
Net periodic benefit income (cost)		2,914	1,150		$ (1,687)
Interest income		624	684		1,185
Other		429	1,117		797
Other income, net		$ 3,967	$ 2,951	[1]	$ 295	[1]

[1] The Consolidated Statements of Income for prior periods have been adjusted to reflect the adoption of ASU 2017-07, Compensation - Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost. The components of net periodic benefit cost (income) other than the service cost component are included in other income, net in the Consolidated Statements of Income. Refer to Note 1 for further discussion.