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Discontinued Operations and Divestitures - Summary of Amounts Included in Discontinued Operations (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2016
Discontinued Operations and Disposal Groups [Abstract]    
Net sales $ 0.0 $ 0.0
Loss from discontinued operations before income taxes   (1.3)
Income tax benefit   (0.3)
Loss from discontinued operations   (1.0)
Net gain from sale of discontinued operations, net of tax   0.6
Income (loss) from discontinued operations, net of tax $ 0.0 $ (0.4)