Accounting Policies (Inventories) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018
Accounting Policies [Abstract]
Raw Material and Work in Process	48.00%	45.00%
Finished Goods and Purchased Parts	52.00%	55.00%
Percentage of LIFO Inventory	53.00%	54.00%
FIFO LIFO valuation difference	$ 62.0	$ 65.5