Restructuring and Impairment Expense (Impairment of Assets Disposed Of) (Details) - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2016	Mar. 31, 2016
Property, Plant and Equipment [Line Items]
Goodwill, Impairment Loss	[1]	$ 2.8
Surface Technologies
Property, Plant and Equipment [Line Items]
Goodwill, Impairment Loss	[1]	2.8
Wireline | Surface Integrated Services | Surface Technologies
Property, Plant and Equipment [Line Items]
Assets, Fair Value Disclosure, Nonrecurring			$ 20.0
Goodwill, Impairment Loss		2.8
Impairment of Long-Lived Assets to be Disposed of		$ 15.3

[1] Refer to Note 5 for additional disclosure related to impairment of goodwill during the nine months ended September 30, 2016.