Discontinued Operations (Additional Information) (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Thernal Management Solutions [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (loss) from discontinued operations, net of income taxes		$ (0.1)	$ (6.8)
Net sales associated with the discontinued operations		0.1	0.9
Tax related to discontinued operations			(0.1)
Composite Material Division [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (loss) from discontinued operations, net of income taxes	0.1	(0.1)	(0.4)
Net sales associated with the discontinued operations	0.2	5.3	4.8
Tax related to discontinued operations	$ 0.1		$ (0.2)