CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
OPERATING ACTIVITIES
Net income (loss)	$ 29.1	$ 159.1	$ (1.2)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	31.0	31.3	34.5
Stock-based compensation	4.3	4.9	4.7
Excess tax benefit from stock-based compensation	(1.0)
Deferred income tax provision (benefit)	7.4	37.0	(9.4)
Loss on retirement of bonds	2.4
Gain on sale of the Woodlands (Note 4)		(74.1)
Reclassification of cumulative translation adjustments related to investments in Canada (Note 1 and Note 4)		(87.9)
Ripon Mill (gain) on sale and non-cash closure charges		(3.4)	6.3
Loss on other asset dispositions	0.1	0.2	0.2
Net cash provided by (used in) changes in operating working capital (Note 14)	(7.2)	(3.9)	27.4
Pension and other post-employment benefits	(7.7)	(7.8)	2.4
Other	(1.2)	(0.9)
NET CASH PROVIDED BY OPERATING ACTIVITIES	57.2	54.5	64.9
INVESTING ACTIVITIES
Capital expenditures	(23.1)	(17.4)	(8.4)
Increase in restricted cash	(7.0)
Sale of marketable securities	7.0
Purchase of marketable securities	(5.8)	(3.5)
Net proceeds from sale of the Woodlands (Note 4)		78.0
Proceeds from asset sales		8.7	0.8
Other		0.7	(0.7)
NET CASH PROVIDED BY (USED IN) INVESTING ACTIVITIES	(28.9)	66.5	(8.3)
FINANCING ACTIVITIES
Proceeds from issuance of long-term debt	30.3	0.1	45.5
Debt issuance costs	(0.4)		(2.9)
Repayments of long-term debt	(98.7)	(71.5)	(87.6)
Short-term borrowings	16.4	13.3	12.2
Repayments of short-term borrowings	(7.8)	(14.8)	(15.4)
Proceeds from exercise of stock options	2.6	0.7
Excess tax benefit from stock-based compensation	1.0
Cash dividends paid	(6.7)	(5.9)	(5.9)
Shares purchased (Note 9)	(0.5)	(0.2)	(0.1)
NET CASH USED IN FINANCING ACTIVITIES	(63.8)	(78.3)	(54.2)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS			(0.1)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(35.5)	42.7	2.3
CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR	48.3	5.6	3.3
CASH AND CASH EQUIVALENTS, END OF YEAR	$ 12.8	$ 48.3	$ 5.6