Business Combination - Purchase Price Allocation (Details) - Nexeo Solutions Inc. $ in Millions	Jun. 09, 2016 USD ($)
Business Acquisition [Line Items]
Accounts receivable	$ 470.0
Inventory	328.5
Other current assets	24.5
Property, plant and equipment	339.5
Other non-current assets	3.3
Deferred tax assets	1.2
Goodwill	695.6
Total assets acquired	2,080.1
Short-term borrowings and current portion of capital leases	40.6
Accounts payable	338.0
Other current liabilities	52.7
Long-term portion of capital leases	23.0
Long-term debt	767.3
Deferred tax liability	41.3
Other non-current liabilities	5.2
Total liabilities assumed	1,268.1
Net assets acquired	812.0
Customer-related intangible
Business Acquisition [Line Items]
Finite-lived intangible assets	197.0
Trade name
Business Acquisition [Line Items]
Finite-lived intangible assets	$ 20.5