Annual report pursuant to Section 13 and 15(d)

Discontinued Operations - Schedule of Results of Discontinued Operations (Details)

v3.8.0.1
Discontinued Operations - Schedule of Results of Discontinued Operations (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Gain (loss) on disposal of discontinued operations, net of tax $ 0.0 $ 1.7 $ 39.9
DLW Subsidiary      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Gain (loss) on disposal of discontinued operations before income tax   (0.1) (1.5)
Income tax benefit (expense)   1.8 41.1
Gain (loss) on disposal of discontinued operations, net of tax   $ 1.7 39.6
Cabinets      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Gain (loss) on disposal of discontinued operations before income tax     0.5
Income tax benefit (expense)     (0.2)
Gain (loss) on disposal of discontinued operations, net of tax     $ 0.3