Condensed Consolidated Balance Sheet - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Assets
Cash and cash equivalents	$ 49.0	$ 66.5
Accounts receivable, net of allowance of $6.7 and $6.5	218.3	202.4
Inventories, net	399.0	395.7
Derivative contracts	11.4	7.1
Other current assets	30.0	27.3
Total current assets	707.7	699.0
Property, plant and equipment, net of accumulated depreciation of $479.4 and $473.2	640.5	631.7
Goodwill	293.1	294.4
Intangible assets, net	98.5	102.2
Operating lease right-of-use assets	85.8	90.5
Deferred tax assets	9.8	10.4
Other assets	9.9	7.3
Total assets	1,845.3	1,835.5
Liabilities
Accounts payable	195.2	202.9
Accrued liabilities	87.5	95.1
Current operating lease liabilities	22.2	22.9
Current maturities of long-term debt	4.0	5.0
Total current liabilities	308.9	325.9
Long-term debt	865.1	835.4
Operating lease liabilities	63.4	67.4
Accrued postretirement benefits	27.9	31.6
Deferred tax liabilities	28.1	25.9
Other long-term liabilities	42.0	46.3
Total liabilities	1,335.4	1,332.5
Commitments and contingent liabilities (Note 13)
Equity
Senior Convertible Preferred Stock, $0.01 par value per share; 10,000,000 shares authorized; no shares issued	0.0	0.0
Common Stock, $0.01 par value per share; 80,000,000 shares authorized; 25,630,272 and 25,163,238 shares issued	0.3	0.3
Additional paid-in capital	300.0	291.1
Retained earnings	455.4	444.0
Accumulated other comprehensive loss	(95.3)	(88.8)
Treasury stock, at cost, 4,441,930 and 4,302,996 shares	(154.6)	(147.7)
Total Koppers shareholders’ equity	505.8	498.9
Noncontrolling interests	4.1	4.1
Total equity	509.9	503.0
Total liabilities and equity	$ 1,845.3	$ 1,835.5