Goodwill and Purchased Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Gross Goodwill and Other Purchased Intangible Assets

Changes in the carrying amount of gross goodwill and other purchased intangibles for the years ended December 31, 2016 and 2015, by segment, are as follows:

(In millions)		Composite Materials		Engineered Products		Total
Balance as of December 31, 2014	$	43.7		$	16.1	$	59.8
Amortization expense		(0.3	)		—		(0.3	)
Currency translation adjustments and other		(0.6	)		—		(0.6	)
Balance as of December 31, 2015	$	42.8		$	16.1	$	58.9
Amortization expense		(0.3	)		—		(0.3	)
Additions		18.1			—		18.1
Currency translation adjustments and other		(4.5	)		—		(4.5	)
Balance as of December 31, 2016	$	56.1		$	16.1	$	72.2