Acquisitions (Details) - USD ($) $ in Millions				6 Months Ended
	Jul. 03, 2017	May 05, 2017	Apr. 03, 2017	Jun. 30, 2018	Dec. 31, 2017
Business Acquisition [Line Items]
Goodwill, Purchase Accounting Adjustments				$ 3.2
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Assets				(0.5)
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred				0.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other				346.8
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Liabilities				(0.5)
2017 Acquisitions [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables				27.6	$ 27.6
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory				29.4	29.4
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other				6.0	3.3
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment				31.5	31.5
Business Combination Purchase Price Allocation Goodwill Amount				146.5	149.7
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill				173.6	173.6
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets				1.8	1.8
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets				416.4	416.9
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable				9.5	9.5
Business Combination Purchase Price Allocation Current Liabilities Accrued Liabilities				5.8	5.8
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other				8.5	8.6
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt				2.9	2.9
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities				41.5	42.2
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other				1.3	1.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities				69.6	70.1
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net					346.8
Groeneveld [Member]
Business Acquisition [Line Items]
Business Acquisition, Effective Date of Acquisition	Jul. 03, 2017
PT Tech [Member]
Business Acquisition [Line Items]
Business Acquisition, Effective Date of Acquisition		May 05, 2017
Torsion Control Products [Member]
Business Acquisition [Line Items]
Business Acquisition, Effective Date of Acquisition			Apr. 03, 2017
Other Current Assets [Member]
Business Acquisition [Line Items]
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Assets				2.7
Short-term Debt [Member] | 2017 Acquisitions [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other				0.1	$ 0.1
Other Current Liabilities [Member]
Business Acquisition [Line Items]
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Liabilities				(0.1)
Other Noncurrent Liabilities [Member]
Business Acquisition [Line Items]
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Liabilities				(0.7)
Liabilities, Total [Member]
Business Acquisition [Line Items]
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Liabilities				$ 0.3