Note 8 - Income Taxes (Details) - Income Tax (Benefit) Expense (USD $) In Millions, unless otherwise specified	9 Months Ended	10 Months Ended	12 Months Ended
Dec. 31, 2013	Oct. 31, 2013	Dec. 31, 2014	Dec. 31, 2012
Income Tax (Benefit) Expense [Abstract]
Federal	$ 0.3us-gaap_CurrentFederalTaxExpenseBenefit	$ (5.3)us-gaap_CurrentFederalTaxExpenseBenefit	$ (0.6)us-gaap_CurrentFederalTaxExpenseBenefit	$ 1.8us-gaap_CurrentFederalTaxExpenseBenefit
State and local	0.1	0.3	0.4	0.5
Foreign	1.3us-gaap_CurrentForeignTaxExpenseBenefit	22.8us-gaap_CurrentForeignTaxExpenseBenefit	36.7us-gaap_CurrentForeignTaxExpenseBenefit	30.7us-gaap_CurrentForeignTaxExpenseBenefit
Total current	1.7us-gaap_CurrentIncomeTaxExpenseBenefit	17.8us-gaap_CurrentIncomeTaxExpenseBenefit	36.5us-gaap_CurrentIncomeTaxExpenseBenefit	33.0us-gaap_CurrentIncomeTaxExpenseBenefit
Federal	(2.1)	(3.1)	(18.3)	(4.9)
State and local	(0.3)	0.1	0.4	0.1
Foreign	(5.1)	(1.8)	(25.3)	(3.5)
Total deferred	(7.5)us-gaap_DeferredIncomeTaxExpenseBenefit	(4.8)us-gaap_DeferredIncomeTaxExpenseBenefit	(43.2)us-gaap_DeferredIncomeTaxExpenseBenefit	(8.3)us-gaap_DeferredIncomeTaxExpenseBenefit
(Benefit) Provision for income taxes	$ (5.8)us-gaap_IncomeTaxExpenseBenefit	$ 13.0us-gaap_IncomeTaxExpenseBenefit	$ (6.7)us-gaap_IncomeTaxExpenseBenefit	$ 24.7us-gaap_IncomeTaxExpenseBenefit

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