Acquisitions (Schedule of Pro Forma Financial Information) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013	Jun. 30, 2014 Benshaw member [Domain]	Nov. 19, 2013 Cemp [Member]	Feb. 08, 2013 RAM Motor Business [Member]	Feb. 07, 2014 Hy-Bon [Domain]
Business Acquisition [Line Items]
Net sales	$ 829.8	$ 768.2	$ 2,481.4	$ 2,368.4
Business Combination, Acquisition Related Costs	0.2		1.3	3.2
Business Acquisition, Pro Forma Revenue		801.5	2,515.5	2,247.9
Business Acquisition, Pro Forma Net Income (Loss)		53.2	145.3	156.2
Business Acquisition, Pro Forma Earnings Per Share, Basic		$ 1.18	$ 3.22	$ 3.47
Business Acquisition, Pro Forma Earnings Per Share, Diluted		$ 1.17	$ 3.20	$ 3.45
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets					0.5	3.1	1.2	1.7
Basic earnings per share as reported	$ 1.06	$ 1.17	$ 3.27	$ 3.40
Diluted earnings per share as reported	$ 1.05	$ 1.16	$ 3.25	$ 3.38
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables					10.4	6.6	1.9	11.5
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory					22.4	7.8	7.7	14.3
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment					4.5	3.7	2.1	8.1
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles					14.6	12.6		13.4
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets					9.9	14.8		40.6
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets							0.1	0.1
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets					62.3	48.6	13.0	89.7
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable					3.7	5.5	1.1	5.5
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities [Abstract]					2.2	3.0	5.4	5.1
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities					5.4	5.5	0.5	1.1
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]					51.0	34.6	6.0	78.0
Net Income (Loss) Attributable to Parent	$ 47.5	$ 52.6	$ 147.5	$ 153.2