Accounting Policies (Inventories) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017
Inventory [Line Items]
Raw Material and Work in Process	45.00%	47.00%
Finished Goods and Purchased Parts	55.00%	53.00%
Percentage of LIFO Inventory	54.00%	52.00%
FIFO LIFO valuation difference	$ 65.5	$ 46.0