Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
ASSETS
Cash and cash equivalents	$ 895.7	$ 928.0
Receivables, net of allowance for doubtful accounts of $0.9 million at March 31, 2018 and December 31, 2017	149.3	142.5
Inventories	329.4	259.1
Prepaid expenses and other current assets	9.0	7.8
Current portion of notes receivable from asset sales	22.2	22.2
Total current assets	1,405.6	1,359.6
Timber and timberlands	53.9	55.7
Property, plant and equipment, net	932.1	926.1
Goodwill and other intangible assets	26.6	26.7
Investments in and advances to affiliates	8.5	7.8
Restricted cash	13.4	13.3
Other assets	56.6	56.8
Long-term deferred tax asset	2.5	2.5
Total assets	2,499.2	2,448.5
LIABILITIES AND EQUITY
Current portion of long-term debt	25.1	25.1
Accounts payable and accrued liabilities	187.5	237.1
Income taxes payable	21.6	4.5
Current portion of contingency reserves	3.4	3.4
Total current liabilities	237.6	270.1
Long-term debt, excluding current portion	351.1	350.8
Deferred income taxes	39.6	33.4
Contingency reserves, excluding current portion	14.5	11.7
Other long-term liabilities	184.0	178.0
Stockholders' equity:
Common stock, $1 par value, 200,000,000 shares authorized, 153,358,542 shares issued	153.4	153.4
Additional paid-in capital	462.7	470.6
Retained earnings	1,364.4	1,280.1
Treasury stock, 8,181,151 shares and 8,462,949 shares, at cost	(173.2)	(177.5)
Accumulated comprehensive loss	(134.9)	(122.1)
Total stockholders' equity	1,672.4	1,604.5
Total liabilities and stockholders' equity	$ 2,499.2	$ 2,448.5