Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016
ASSETS
Cash and cash equivalents	$ 649.5	$ 659.3
Receivables, net of allowance for doubtful accounts of $1.0 million at March 31, 2017 and December 31, 2016	149.1	108.3
Inventories	260.0	234.6
Prepaid expenses and other current assets	7.3	6.1
Assets held for sale	8.1	8.2
Total current assets	1,074.0	1,016.5
Timber and timberlands	52.4	53.5
Property, plant and equipment	2,426.4	2,410.8
Accumulated depreciation	(1,549.5)	(1,527.6)
Property, plant and equipment, net	876.9	883.2
Goodwill	9.7	9.7
Notes receivable from asset sales	22.2	22.2
Investments in and advances to affiliates	6.8	6.2
Restricted cash	13.1	13.2
Other assets	23.4	22.4
Long-term deferred tax asset	1.7	4.3
Total assets	2,080.2	2,031.2
LIABILITIES AND EQUITY
Current portion of long-term debt	1.6	2.6
Accounts payable and accrued liabilities	210.5	222.8
Current portion of contingency reserves	3.4	3.4
Total current liabilities	215.5	228.8
Long-term debt, excluding current portion	374.6	374.4
Deferred income taxes	28.5	27.7
Contingency reserves, excluding current portion	12.5	12.7
Other long-term liabilities	195.0	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	469.0	478.2
Retained earnings	945.3	890.3
Treasury stock, 8,694,673 shares and 9,041,733 shares, at cost	(180.4)	(189.0)
Accumulated comprehensive loss	(133.2)	(137.2)
Total stockholders' equity	1,254.1	1,195.7
Total liabilities and stockholders' equity	$ 2,080.2	$ 2,031.2