Acquisitions and Divestitures (Schedule of Preliminary Purchase Price Allocation) (Details) - USD ($) $ in Millions	Dec. 31, 2016	Jan. 02, 2016	Jan. 30, 2015	Jan. 03, 2015	Jun. 30, 2014	Feb. 07, 2014
Business Acquisition [Line Items]
Goodwill	$ 1,453.2	$ 1,465.6		$ 1,004.0
Power Transmission Solutions
Business Acquisition [Line Items]
Current Assets			$ 22.5
Trade Receivables			67.2
Inventories			108.8
Property, Plant and Equipment			184.4
Intangible Assets			648.2
Intangible Assets, Subject to Amortization			526.3
Goodwill			564.3
Total Assets Acquired			1,595.4
Accounts Payable			57.2
Current Liabilities Assumed			32.3
Long-Term Liabilities Assumed			97.0
Net Assets Acquired			$ 1,408.9
Benshaw, Inc. [Member]
Business Acquisition [Line Items]
Current Assets					$ 0.5
Trade Receivables					10.4
Inventories					22.4
Property, Plant and Equipment					4.5
Intangible Assets, Subject to Amortization					14.6
Goodwill					4.7
Total Assets Acquired					57.1
Accounts Payable					3.7
Current Liabilities Assumed					2.2
Long-Term Liabilities Assumed					0.2
Net Assets Acquired					$ 51.0
Hy-Bon Engineering Company, Inc. [Member]
Business Acquisition [Line Items]
Current Assets						$ 1.7
Trade Receivables						11.5
Inventories						14.3
Property, Plant and Equipment						8.1
Intangible Assets, Subject to Amortization						13.4
Goodwill						40.6
Other Assets						0.1
Total Assets Acquired						89.7
Accounts Payable						5.5
Current Liabilities Assumed						5.1
Long-Term Liabilities Assumed						1.1
Net Assets Acquired						$ 78.0