Condensed Consolidated Balance Sheet (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Assets
Cash and cash equivalents	$ 54.4	$ 82.2
Accounts receivable, net of allowance of $3.7 and $3.6	159.9	157.9
Income tax receivable	8.9	9.0
Inventories, net	189.2	168.8
Deferred tax assets	12.4	10.0
Loan to related party	9.5	9.5
Other current assets	28.6	35.7
Total current assets	462.9	473.1
Equity in non-consolidated investments	6.2	6.6
Property, plant and equipment, net	215.3	197.0
Goodwill	75.4	72.7
Deferred tax assets	14.7	9.3
Other assets	31.5	26.2
Total assets	806.0	784.9
Liabilities
Accounts payable	93.1	107.6
Accrued liabilities	73.2	82.4
Dividends payable	5.1	5.1
Total current liabilities	171.4	195.1
Long-term debt	358.4	303.1
Accrued postretirement benefits	31.0	41.6
Deferred tax liabilities	15.9	14.7
Other long-term liabilities	40.7	40.6
Total liabilities	617.4	595.1
Commitments and contingent liabilities (Note 17)
Equity
Senior Convertible Preferred Stock, $0.01 par value per share; 10,000,000 shares authorized; no shares issued	0	0
Common Stock, $0.01 par value per share; 40,000,000 shares authorized; 21,938,260 and 21,722,492 shares issued	0.2	0.2
Additional paid-in capital	163.0	158.9
Retained earnings	64.7	71.3
Accumulated other comprehensive loss	(4.6)	(10.2)
Treasury stock, at cost, 1,443,248 and 1,390,494 shares	(52.4)	(50.4)
Total Koppers shareholders' equity	170.9	169.8
Noncontrolling interests	17.7	20.0
Total equity	188.6	189.8
Total liabilities and equity	$ 806.0	$ 784.9