Accounting Policies (Inventories) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2016 USD ($)	Jan. 02, 2016 USD ($) inventory_pool	Jan. 03, 2016 inventory_pool
Inventory [Line Items]
Raw Material and Work in Process	45.00%	45.00%
Finished Goods and Purchased Parts	55.00%	55.00%
Percentage of LIFO Inventory	55.00%	42.00%	51.00%
FIFO LIFO valuation difference | $	$ 43.7	$ 28.0
Number of LIFO Inventory Pools | inventory_pool		10	3
Power Transmission Solutions
Inventory [Line Items]
Percentage of LIFO Inventory			9.00%