Condensed Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
ASSETS
Cash and cash equivalents	$ 630.7	$ 560.9
Receivables, net of allowance for doubtful accounts of $1.1 million at June 30, 2013 December 31, 2012	103.5	82.7
Inventories	247.0	209.8
Other current assets	11.8	6.0
Deferred income taxes	21.6	12.3
Current portion of notes receivable from asset sales	91.4	91.4
Assets held for sale	31.4	32.5
Total current assets	1,137.4	995.6
Timber and timberlands	72.7	40.1
Property, plant and equipment, at cost	2,218.0	2,061.6
Accumulated depreciation	(1,341.1)	(1,310.8)
Net property, plant and equipment	876.9	750.8
Goodwill	9.7	0
Notes receivable from asset sales	432.2	432.2
Long-term investments	4.0	2.0
Restricted cash	10.6	12.0
Investments in and advances to affiliates	4.3	68.6
Deferred debt costs	8.4	9.2
Other assets	15.7	15.5
Long-term deferred tax asset	0	5.0
Total assets	2,571.9	2,331.0
LIABILITIES AND EQUITY
Current portion of long-term debt	7.5	7.8
Current portion of limited recourse notes payable	90.0	90.0
Accounts payable and accrued liabilities	165.2	139.5
Current portion of contingency reserves	2.0	2.0
Total current liabilities	264.7	239.3
Long-term debt, excluding current portion	777.3	782.7
Contingency reserves, excluding current portion	12.3	12.8
Other long-term liabilities	181.8	168.8
Deferred income taxes	153.3	93.6
Stockholders' equity:
Common stock	150.7	150.4
Additional paid-in capital	504.9	533.6
Retained earnings	870.0	710.6
Treasury stock	(232.3)	(252.9)
Accumulated comprehensive loss	(110.8)	(107.9)
Total stockholders' equity	1,182.5	1,033.8
Total liabilities and stockholders' equity	$ 2,571.9	$ 2,331.0