CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
OPERATING ACTIVITIES
Net income	$ 30.7	$ 21.4
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	21.8	23.5
Stock-based compensation	3.9	3.1
Excess tax benefits from stock-based compensation (Note 7)	(5.1)	(0.8)
Deferred income tax provision	8.9	5.9
Inventory acquired in Wausau acquisition (Note 3)	(6.6)
SERP payment, net of settlement charge	(3.4)
Loss on retirement of bonds	0.2	2.4
Loss on asset dispositions	0.2
Increase in working capital	(26.8)	(10.2)
Pension and other postretirement benefits	(1.3)	(4.8)
Other	(0.6)	(1.0)
NET CASH PROVIDED BY OPERATING ACTIVITIES	21.9	39.5
INVESTING ACTIVITIES
Capital expenditures	(15.8)	(18.9)
Decrease in restricted cash	7.0
Purchase of marketable securities	(0.1)	(5.3)
Purchase of Wausau brands	(14.1)
Other	0.2	0.4
NET CASH USED IN INVESTING ACTIVITIES	(22.8)	(23.8)
FINANCING ACTIVITIES
Proceeds from issuance of long-term debt	45.2	27.8
Debt issuance costs		(0.4)
Repayments of long-term debt	(28.3)	(89.3)
Short-term borrowings	1.2	8.5
Repayments of short-term debt	(21.1)	(3.7)
Shares purchased	(6.3)	(0.5)
Proceeds from exercise of stock options	4.9	1.5
Excess tax benefits from stock-based compensation (Note 7)	5.1	0.8
Cash dividends paid	(5.8)	(5.0)
Other	(0.2)
NET CASH USED IN FINANCING ACTIVITIES	(5.3)	(60.3)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS		0.1
NET DECREASE IN CASH AND CASH EQUIVALENTS	(6.2)	(44.5)
CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR	12.8	48.3
CASH AND CASH EQUIVALENTS, END OF PERIOD	6.6	3.8
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid during period for interest, net of interest expense capitalized	7.0	8.9
Cash paid during period for income taxes	5.5	2.1
Non-cash investing activities:
Liability for equipment acquired	$ 1.3	$ 1.1