Condensed Balance Sheets (USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2011
Current assets:
Cash and cash equivalents	$ 198.6	$ 304.8	$ 276.5
Receivables, net	279.4	237.1	306.4
Income tax receivable	6.3	0.7	4.1
Inventories	197.6	176.6	182.0
Current deferred income taxes	56.0	50.9	47.6
Other current assets	11.4	10.2	25.7
Total current assets	749.3	780.3	842.3
Property, plant and equipment (less accumulated depreciation of $1,192.1, $1,144.0 and $1,098.2)	961.4	885.4	780.6
Prepaid pension costs	40.5	19.2	36.9
Restricted cash	25.4	51.7	97.8
Other assets	81.9	85.6	79.5
Goodwill	627.4	627.4	627.4
Total assets	2,485.9	2,449.6	2,464.5
Current liabilities:
Current installments of long-term debt	23.6	12.2	88.5
Accounts payable	130.0	149.7	142.9
Accrued liabilities	234.8	237.2	222.8
Total current liabilities	388.4	399.1	454.2
Long-term debt	503.9	524.2	494.3
Accrued pension liability	57.6	59.1	57.2
Deferred income taxes	128.7	99.6	113.3
Other liabilities	359.6	381.8	357.7
Total liabilities	1,438.2	1,463.8	1,476.7
Commitments and contingencies
Shareholders' equity:
Common stock, par value $1 per share: authorized, 120.0 shares; issued and outstanding 80.0, 80.1 and 80.2 shares	80.0	80.1	80.2
Additional paid-in capital	851.4	852.0	853.2
Accumulated other comprehensive loss	(285.9)	(294.2)	(259.6)
Retained earnings	402.2	347.9	314.0
Total shareholders' equity	1,047.7	985.8	987.8
Total liabilities and shareholders' equity	$ 2,485.9	$ 2,449.6	$ 2,464.5