Restructuring and Other Expense - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended		24 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016
Restructuring Cost and Reserve [Line Items]
Charges	$ 0.6	$ 5.1
Pension settlement/curtailment	2.9	1.6
Asset disposals / write down	0.1	24.6
Property tax refund	2.2
Other restructuring charges	2.4
Acquisition and integration related costs	0.0	0.5
Property, plant and equipment, net	2.8	4.2	$ 2.8
Restructuring and other
Restructuring Cost and Reserve [Line Items]
Loss from sale of business		4.7
Disposal Group, Held-for-sale, Not Discontinued Operations | Restructuring and other
Restructuring Cost and Reserve [Line Items]
PP&E write down		21.0
Disposals of miscellaneous assets		3.6
Building
Restructuring Cost and Reserve [Line Items]
PP&E write down		11.0
Property, plant and equipment, net		32.1
Connected Data, Inc.
Restructuring Cost and Reserve [Line Items]
Acquisition and integration related costs		0.5
Realization Services, Inc. | Affiliated Entity | Consulting Expenses with Realization Services
Restructuring Cost and Reserve [Line Items]
Expenses from transactions with related party	2.4	$ 3.0
Otterbourg P.C.
Restructuring Cost and Reserve [Line Items]
Professional fees	$ 1.4
Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring expected cash expenditures			34.0
Charges			$ 120.0