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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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Percentage of fair value of reporting unit in excess of carrying amount.

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Note 5 - Goodwill and Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2012	Dec. 31, 2013	Oct. 31, 2013
Note 5 - Goodwill and Intangible Assets (Details) [Line Items]
Goodwill	$ 1,405.3us-gaap_Goodwill		$ 989.8us-gaap_Goodwill
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	16 years
Amortization of Intangible Assets	67.4us-gaap_AmortizationOfIntangibleAssets	27.1us-gaap_AmortizationOfIntangibleAssets
Finite-Lived Intangible Assets, Amortization Expense, Year Four	111
Finite-Lived Intangible Assets, Amortization Expense, Year Five	111
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	111
Finite-Lived Intangible Assets, Amortization Expense, Year Two	111
Finite-Lived Intangible Assets, Amortization Expense, Year Three	111
Trade Names [Member]
Note 5 - Goodwill and Intangible Assets (Details) [Line Items]
Indefinite-Lived Intangible Assets (Excluding Goodwill)	69.3		70.9
Predecessor [Member]
Note 5 - Goodwill and Intangible Assets (Details) [Line Items]
Goodwill		476.2		471.8
Amortization of Intangible Assets			8.9
Successor [Member]
Note 5 - Goodwill and Intangible Assets (Details) [Line Items]
Goodwill	1,405.3		989.8
Amortization of Intangible Assets			22.4
Offshore [Member]
Note 5 - Goodwill and Intangible Assets (Details) [Line Items]
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount	7.60%
Goodwill	364.0
ASF Americas [Member]
Note 5 - Goodwill and Intangible Assets (Details) [Line Items]
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount	11.10%
Goodwill	$ 78.3
Customer Relationships [Member] \| Minimum [Member]
Note 5 - Goodwill and Intangible Assets (Details) [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	8 years
Customer Relationships [Member] \| Maximum [Member]
Note 5 - Goodwill and Intangible Assets (Details) [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	30 years
Customer Relationships [Member]
Note 5 - Goodwill and Intangible Assets (Details) [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	20 years
Developed Technology Rights [Member] \| Minimum [Member]
Note 5 - Goodwill and Intangible Assets (Details) [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	5 years
Developed Technology Rights [Member] \| Maximum [Member]
Note 5 - Goodwill and Intangible Assets (Details) [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	14 years
Developed Technology Rights [Member]
Note 5 - Goodwill and Intangible Assets (Details) [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	12 years
Trade Names [Member] \| Minimum [Member]
Note 5 - Goodwill and Intangible Assets (Details) [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	5 years
Trade Names [Member] \| Maximum [Member]
Note 5 - Goodwill and Intangible Assets (Details) [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	20 years
Trade Names [Member]
Note 5 - Goodwill and Intangible Assets (Details) [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	20 years
Noncompete Agreements [Member] \| Minimum [Member]
Note 5 - Goodwill and Intangible Assets (Details) [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	1 year
Noncompete Agreements [Member] \| Maximum [Member]
Note 5 - Goodwill and Intangible Assets (Details) [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	5 years
Noncompete Agreements [Member]
Note 5 - Goodwill and Intangible Assets (Details) [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	5 years