Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a nonrecurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Restructuring and Impairment Expense (Impairments of Assets Held for Use) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Mar. 31, 2016
Property, Plant and Equipment [Line Items]
Impairment expense	$ 0.8	$ 60.2	$ 40.2	$ 64.4
Surface Technologies
Property, Plant and Equipment [Line Items]
Impairment expense	$ 0.3	$ 58.0	36.2	61.8
Surface Integrated Services \| Surface Technologies
Property, Plant and Equipment [Line Items]
Impairment expense				$ 56.6
Flowback \| Surface Integrated Services \| Surface Technologies
Property, Plant and Equipment [Line Items]
Impairment of Long-Lived Assets Held-for-use			12.4
Assets, Fair Value Disclosure, Nonrecurring					$ 44.7
Flowback \| Customer Relationships \| Surface Integrated Services \| Surface Technologies
Property, Plant and Equipment [Line Items]
Impairment of Intangible Assets, Finite-lived			$ 3.4