Property, Plant and Equipment, Net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Property, plant and equipment, Net
Property, plant and equipment, gross	$ 616.5	$ 603.5
Less accumulated depreciation and amortization	(377.4)	(372.4)
Property, plant and equipment, net	239.1	231.1
Depreciation and amortization	32.6	32.6	$ 39.5
Impairment charge on property, plant and equipment	0.8	2.1
Land
Property, plant and equipment, Net
Property, plant and equipment, gross	26.7	27.6
Building and leasehold improvements
Property, plant and equipment, Net
Property, plant and equipment, gross	266.7	261.9
Machinery, equipment, software and furniture and fixtures
Property, plant and equipment, Net
Property, plant and equipment, gross	$ 323.1	$ 314.0
BSI | CAM Division
Property, plant and equipment, Net
Impairment charge on property, plant and equipment			5.5
BEST
Property, plant and equipment, Net
Impairment charge on property, plant and equipment			$ 5.1