Quarterly report pursuant to Section 13 or 15(d)

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

v3.7.0.1
Discontinued Operations - Schedule of Results of Discontinued Operations (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Gain on disposal of discontinued operations, net of tax $ 0.0 $ 0.0 $ 0.0 $ 1.7
DLW Subsidiary | Discontinued operations        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Loss on disposal of discontinued operations before income tax   0.0   (0.1)
Income tax benefit   0.0   1.8
Gain on disposal of discontinued operations, net of tax   $ 0.0   $ 1.7