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Note 8 - Income Taxes (Details) - Unrecognized Tax Benefits (USD $)
12 Months Ended 9 Months Ended 10 Months Ended 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Oct. 31, 2013
Dec. 31, 2012
Note 8 - Income Taxes (Details) - Unrecognized Tax Benefits [Line Items]        
Reductions due to closed statutes $ (3,500,000)us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations      
Unrecognized tax benefits 27,700,000us-gaap_UnrecognizedTaxBenefits      
Successor [Member]        
Note 8 - Income Taxes (Details) - Unrecognized Tax Benefits [Line Items]        
Unrecognized tax benefits 25,600us-gaap_UnrecognizedTaxBenefits
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
     
Additions based on current year tax positions 1,700us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
300us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
   
Additions based upon prior year tax positions (including acquired uncertain tax positions) 7,400us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
26,300us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
   
Reductions due to closed statutes (6,700)us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
(1,000)us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
   
Reductions for settlements and payments (300)us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
     
Unrecognized tax benefits 27,700us-gaap_UnrecognizedTaxBenefits
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
25,600us-gaap_UnrecognizedTaxBenefits
/ us-gaap_StatementScenarioAxis
= us-gaap_SuccessorMember
   
Predecessor [Member]        
Note 8 - Income Taxes (Details) - Unrecognized Tax Benefits [Line Items]        
Unrecognized tax benefits     22,700us-gaap_UnrecognizedTaxBenefits
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
18,800us-gaap_UnrecognizedTaxBenefits
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Additions based on current year tax positions     800us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
2,300us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Additions based upon prior year tax positions (including acquired uncertain tax positions)     300us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
1,700us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Reductions due to closed statutes     (300)us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
(100)us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
Unrecognized tax benefits     $ 23,500us-gaap_UnrecognizedTaxBenefits
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember
$ 22,700us-gaap_UnrecognizedTaxBenefits
/ us-gaap_StatementScenarioAxis
= us-gaap_PredecessorMember