Balance and Transactions Between Company and Related Party (Details) - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017
Armand Products Company
Related Party Transaction [Line Items]
Purchases by Company		$ 7.4	$ 10.0
Sales by Company		0.0	0.0
Outstanding Accounts Receivable		0.6	0.4
Outstanding Accounts Payable		1.5	2.3
Administration & Management Oversight Services	[1]	1.2	1.2
ArmaKleen Company
Related Party Transaction [Line Items]
Purchases by Company		0.0	0.0
Sales by Company		0.6	0.6
Outstanding Accounts Receivable		0.5	0.8
Outstanding Accounts Payable		0.0	0.0
Administration & Management Oversight Services	[1]	$ 1.1	$ 1.0

[1] Billed by Company and recorded as a reduction of selling, general and administrative expenses.