Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Oct. 06, 2018	Dec. 30, 2017
Accounts and notes receivable, allowances	$ 5,833	$ 3,154
Common stock, par value	$ 0.01	$ 0.01
Common stock, current par value	$ 0.001	$ 0.001
Common stock, authorized shares	500,000,000	500,000,000
Common stock, shares issued	228,729,585	228,729,585
Treasury stock, shares	17,846,171	18,203,381
Series A Preferred Stock
Preferred stock, par value	$ 100	$ 100
Preferred stock, shares authorized	200,000	200,000
Preferred stock, shares issued	0	0
Series B Preferred Stock
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	800,000	800,000
Preferred stock, shares issued	0	0