Acquisitions - A and W Technologies (Details) - USD ($) $ in Millions			12 Months Ended
		Nov. 01, 2015	Dec. 31, 2015	Dec. 31, 2014
Assets Acquired [Abstract]
Goodwill			$ 130.6	$ 2.9
A and W Technologies [Member]
Business Acquisition [Line Items]
Date of Acquisition		Nov. 01, 2015
Percentage of Voting Interests Acquired		100.00%
Consideration Transferred		$ 9.2
Payments to Acquire Business		8.2
Payment Due in April 2016		1.0
Assets Acquired [Abstract]
Current Assets		1.0
Property, Plant and Equipment		0.1
Intangible Assets	[1]	3.9
Goodwill	[2]	4.3
Total Assets Acquired		9.3
Liabilities Assumed [Abstract]
Current Liabilities		0.1
Total Liabilities Assumed		0.1
Net Identifiable Assets Acquired		9.2
Deductible Goodwill		$ 4.3
Acquisition-Related Costs			immaterial

[1] Intangible Assets include customer relationships and non-compete agreements. (See Note 8. Goodwill and Intangible Assets.)

[2] For tax purposes, the purchase price allocation resulted in $4.3 million of deductible goodwill.