Inventories (Details 1) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 27, 2020	Mar. 29, 2019	Dec. 31, 2019
Inventory Disclosure [Abstract]
LIFO liquidation effect	$ 0	$ 0
Notional Amount of Nonderivative Instruments	$ 338,500,000		$ 309,300,000