Consolidated Statements of Cash Flow (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Operations
Net Income	$ 89.7	$ 76.1	$ 79.8
Less: (Loss) income from discontinued operations	0	(2.4)	(24.3)
Income from Continuing Operations	89.7	78.5	104.1
Non-cash items included in net income:
Depreciation and amortization	45.1	37.3	38.5
Impairment	0	37.2	20.2
Deferred income tax provision (benefit)	3.3	17.3	13.1
Pension and other postretirement benefits	1.2	1.1	1.0
Stock-based compensation	5.9	3.2	6.9
Income from equity affiliates	(2.0)	(3.8)	(4.0)
Excess tax benefits of stock-based awards	(0.6)	(0.5)	(1.4)
Cash dividends received from equity affiliates	4.4	3.7	3.0
Other items	0.8	1.0	(0.1)
Changes in operating working capital:
Accounts receivable	13.3	4.4	14.3
Inventories	14.9	(1.0)	(6.1)
Prepaid expenses	(0.6)	0.1	(1.0)
Accounts payable	3.1	(1.5)	(7.0)
Accrued expenses	(8.0)	3.4	(8.1)
Accrued income taxes	(4.1)	(4.6)	4.7
Net changes in operating working capital	18.6	0.8	(3.2)
Net cash provided (used) by operating activities of:
- Continuing operations	166.4	175.8	178.1
- Discontinued operations	(0.5)	2.3	(3.5)
Cash Provided by Operations	165.9	178.1	174.6
Investing
Capital spending	(35.1)	(29.1)	(27.2)
Capitalized software costs	(1.0)	(0.5)	(0.9)
Acquisitions, net of cash acquired	(32.6)	(229.7)	0
Investment in equity affiliates	(8.8)	0	(21.0)
Other investing	3.0	5.6	(2.6)
Cash Used for Investing	(74.5)	(253.7)	(51.7)
Financing
Cash dividends paid to SWM stockholders	(44.5)	(39.5)	(14.1)
Changes in short-term debt	(0.4)	0	(1.9)
Proceeds from issuances of long-term debt	228.3	455.6	43.0
Payments on long-term debt	(170.6)	(228.1)	(31.8)
Purchases of common stock	(52.5)	(1.7)	(50.0)
Excess tax benefits of stock-based awards	0.6	0.5	1.4
Proceeds from exercise of stock options	0	0.5	2.8
Cash (Used in) Provided by Financing	(39.1)	187.3	(50.6)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(34.0)	9.1	2.4
Increase in Cash and Cash Equivalents	18.3	120.8	74.7
Cash and Cash Equivalents at beginning of period	272.0	151.2	76.5
Cash and Cash Equivalents at end of period	$ 290.3	$ 272.0	$ 151.2