Discontinued Operations - Summary of Selected Financial Data of Businesses Which Are Classified As Discontinued Operations (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Benefit for taxes on earnings	$ 0.1	$ (0.3)	$ (1.0)
Net earnings (loss) from discontinued operations	0.1	(0.4)	(0.5)
Jackson
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales	0.0	0.0	2.5
Pretax earnings (loss) from discontinued operations	0.0	0.0	0.1
Benefit for taxes on earnings	0.0	0.0	(0.4)
Net earnings (loss) from discontinued operations	0.0	0.0	0.5
Business Disposed Prior to 2012
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales	0.0	0.0	0.0
Pretax earnings (loss) from discontinued operations	0.2	(0.7)	(1.6)
Benefit for taxes on earnings	0.1	(0.3)	(0.6)
Net earnings (loss) from discontinued operations	$ 0.1	$ (0.4)	$ (1.0)

Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

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- Definition

Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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