Note 16 - Contingencies, Environmental And Legal Matters (Details) - Changes in the Company’s AROs for the Successor and Predecessor 2013 Periods (USD $) In Millions, unless otherwise specified	9 Months Ended	12 Months Ended	10 Months Ended
Dec. 31, 2013	Dec. 31, 2014	Oct. 31, 2013
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]
Ending Balance	$ 4.8us-gaap_AssetRetirementObligation	$ 18.5us-gaap_AssetRetirementObligation
Successor [Member]
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]
Beginning Balance	0	4.8
Acquisitions	4.8	13.2
Additional obligations incurred		0.5
Accretion expense		0.7
Payments		(0.2)
Foreign currency adjustments		(0.5)
Ending Balance	4.8	18.5
Predecessor [Member]
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]
Beginning Balance			2.3
Settlements			(0.1)
Accretion expense			0.1
Foreign currency adjustments			(0.1)
Ending Balance			$ 2.2

Amount of acquisitions liabilities assumed related to asset retirement obligations.

No definition available.

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Balance Type:	credit
Period Type:	duration

- Definition

Represents asset retirement obligation payments.

+ References

No definition available.

+ Details

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- Definition

The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 410

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Asset Retirement Obligation

-URI http://asc.fasb.org/extlink&oid=6505190

+ Details

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- Definition

Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 410

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6392676&loc=d3e7480-110848

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 410

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)(3)

-URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849

+ Details

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- Definition

Amount of the Increase or Decrease in the amount of asset retirement obligations for the period associated with foreign currency translation (to the extent that the entity accounts for the foreign currency effects as a separate component of the change in the liability).

+ References

+ Details

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- Definition

Amount of asset retirement obligations incurred during the period.

+ References

+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

Amount of asset retirement obligations settled, or otherwise disposed of, during the period. This may include asset retirement obligations transferred to third parties associated with the sale of a long-lived asset.

+ References

+ Details

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- Details

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