Consolidated Financial Statement Details (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 30, 2017	Dec. 30, 2017	Dec. 31, 2016	Dec. 26, 2015
Other Current Liabilities [Abstract]
Accrued discounts and allowances	$ 39,500	$ 39,500	$ 40,400
Taxes payable, current	9,200	9,200	4,600
Accrued interest	5,900	5,900	300
Environmental expense, non operating properties	$ 6,200	4,300	800
Other (Expense) Income, Net [Abstract]
Interest income		684	1,185	$ 1,029
Other		1,117	798	1,205
Other income, net		$ 1,801	$ 1,983	$ 2,234