Consolidated Balance Sheets - USD ($) $ in Millions		Dec. 31, 2017	Dec. 31, 2016
Assets
Cash and cash equivalents	[1]	$ 87.9	$ 30.5
Accounts receivable, net of allowance of $0.4 at 2017 and $0.3 at 2016		100.0	89.8
Inventories, net		160.0	151.2
Prepaid and other current assets		20.8	23.7
Current assets		368.7	295.2
Property, plant and equipment, net		438.5	422.8
Goodwill		12.4	12.4
Other intangibles, net		4.9	7.3
Deferred income taxes		3.4	3.4
Restricted investment		71.3	69.7
Other assets		30.4	22.0
Total Assets		929.6	832.8
Liabilities and equity
Accounts payable		83.1	79.2
Accrued expenses		20.0	19.3
Accrued payroll and employee benefits		39.2	25.6
Current maturities of long-term debt		9.4	7.5
Income taxes payable		1.5	5.3
Current liabilities		153.2	136.9
Long-term debt including capital lease obligations		444.0	481.3
Deferred income taxes		41.3	69.8
Other liabilities		13.2	10.2
Total Liabilities		651.7	698.2
Commitments and contingencies (Note 18)
Equity
Preferred stock (par value $0.01 per share; 50,000,000 shares authorized; no issued and outstanding at 2017 and 2016)		0.0	0.0
Common stock (par value $0.01 per share; 300,000,000 shares authorized; 42,208,973 and 42,116,430 issued and 42,089,103 and 42,115,824 outstanding at 2017 and 2016, respectively)		0.4	0.4
Additional paid-in capital		142.8	16.0
Retained earnings		140.1	129.9
Accumulated other comprehensive loss		(11.7)	(19.0)
Treasury stock, common stock, at cost (119,870 and 606 shares at 2017 and 2016, respectively)		(7.7)	(0.3)
Total Ingevity stockholders' equity		263.9	127.0
Noncontrolling interests		14.0	7.6
Total Equity		277.9	134.6
Total Liabilities and Equity		$ 929.6	$ 832.8

[1] There was no restricted cash for the periods ended December 31, 2017, 2016 and 2015, respectively.