Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
ASSETS
Cash and cash equivalents	$ 848.7	$ 659.3
Receivables, net of allowance for doubtful accounts of $1.0 million at September 30, 2017 and December 31, 2016	171.4	108.3
Inventories	231.0	234.6
Prepaid expenses and other current assets	8.8	6.1
Current portion of notes receivable from asset sales	22.2	0.0
Assets held for sale	8.7	8.2
Total current assets	1,290.8	1,016.5
Timber and timberlands	55.6	53.5
Property, plant and equipment	2,472.3	2,410.8
Accumulated depreciation	(1,599.6)	(1,527.6)
Property, plant and equipment, net	872.7	883.2
Goodwill	9.7	9.7
Notes receivable from asset sales	0.0	22.2
Investments in and advances to affiliates	7.4	6.2
Restricted cash	13.2	13.2
Other assets	57.2	22.4
Long-term deferred tax asset	1.4	4.3
Total assets	2,308.0	2,031.2
LIABILITIES AND EQUITY
Current portion of long-term debt	0.5	2.6
Current portion of limited recourse notes payable	22.0	0.0
Accounts payable and accrued liabilities	212.5	191.5
Income taxes payable	7.4	31.3
Current portion of contingency reserves	3.4	3.4
Total current liabilities	245.8	228.8
Long-term debt, excluding current portion	353.0	374.4
Deferred income taxes	51.3	27.7
Contingency reserves, excluding current portion	12.3	12.7
Other long-term liabilities	180.3	191.9
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	470.0	478.2
Retained earnings	1,149.5	890.3
Treasury stock, 8,502,549 shares and 9,041,733 shares, at cost	(178.2)	(189.0)
Accumulated comprehensive loss	(129.4)	(137.2)
Total stockholders' equity	1,465.3	1,195.7
Total liabilities and stockholders' equity	$ 2,308.0	$ 2,031.2