Restructuring and Other Expense - Components of Restructuring and Other Expense (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Restructuring and Related Activities [Abstract]
Severance and related		$ 0.0	$ 0.1
Total restructuring		0.0	0.1
Pension settlement/curtailment (Note 9)		1.2	0.0
Asset disposals / write down		0.3	0.0
Other	[1]	5.3	0.5
Total		6.8	$ 0.6
Restructuring Cost and Reserve [Line Items]
Other employee costs and consulting fees related to restructuring		2.2
Consulting Expenses with Realization Services | Realization Services, Inc.
Restructuring Cost and Reserve [Line Items]
Consulting expenses		2.1
Otterbourg P.C. | Realization Services, Inc.
Restructuring Cost and Reserve [Line Items]
Consulting expenses		$ 1.0

[1] For the three months ended March 31, 2016, other includes consulting expenses of $2.1 million and $1.0 million for Realization Services, Inc. (see Note 16 - Related Party Transactions) and Otterbourg P.C., respectively, as well as $2.2 million for other employee costs and consulting fees directly attributable to our Restructuring Plan. We have considered these costs to be attributable to our Corporate activities and, therefore, they are not part of our discontinued operations.