Intangible Assets (Detail) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Goodwill And Other Intangible Assets [Line Items]
Accumulated amortization	$ (2.1)	$ (0.1)
Intangible assets, net	15.1	0.1
Customer Relationships
Goodwill And Other Intangible Assets [Line Items]
Finite intangible assets gross	17.0
Product Formulations
Goodwill And Other Intangible Assets [Line Items]
Finite intangible assets gross	$ 0.2	$ 0.2