Note 19 - Segment Information (Details) - Financial Information Regarding Each Reportable Segment (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
Net Sales:
Performance Materials	$ 118.2	[1]	$ 627.7	[1]	$ 843.2	[1]	$ 731.2	[1]
Depreciation and amortization:
Performance Materials	12.8		32.8		88.0		42.2
Adjusted EBITDA
Performance Materials	27.4		152.7		212.2		162.2
Performance Materials [Member]
Net Sales:
Performance Materials	92.6		481.8		589.3		559.5
Depreciation and amortization:
Performance Materials	9.7		26.5		55.0		34.0
Adjusted EBITDA
Performance Materials	21.6		115.0		148.7		118.6
Graphic Solutions [Member]
Net Sales:
Performance Materials	25.6		145.9		165.9		171.7
Depreciation and amortization:
Performance Materials	3.1		6.3		21.3		8.2
Adjusted EBITDA
Performance Materials	5.8		37.7		47.5		43.6
ArgoSolutions [Member]
Net Sales:
Performance Materials					88.0
Depreciation and amortization:
Performance Materials					11.7
Adjusted EBITDA
Performance Materials					$ 16.0

[1] Net sales are attributed to countries based on the country which generates the sale.