Consolidated Statements of Cash Flows (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Operating Activities
Net Income Attributable to The Timken Company	$ 75.1	$ 155.7
Net income attributable to noncontrolling interest	(0.1)	0.3
Adjustments to reconcile income before income taxes to net cash provided by operating activities:
Depreciation and amortization	48.4	49.8
Loss (Gain) on sale of assets	0.6	1.6
Deferred income tax provision	(0.3)	(0.4)
Stock-based compensation expense	4.1	4.4
Pension and other postretirement expense	22.5	21.0
Pension contributions and other postretirement benefit payments	(117.1)	(104.7)
Changes in operating assets and liabilities:
Accounts receivable	(61.8)	(112.0)
Inventories	27.3	(21.4)
Accounts payable, trade	12.4	22.1
Other accrued expenses	(74.9)	(103.4)
Income taxes	31.5	58.2
Other, net	(3.6)	(9.9)
Net Cash (Provided) Used by Operating Activities	(35.9)	(38.7)
Investing Activities
Capital expenditures	(63.4)	(46.0)
Acquisitions	(14.4)	(0.2)
Proceeds from disposals of property, plant and equipment	0.6	0.9
Investments in short-term marketable securities, net	8.0	17.5
Other	0.1	(1.4)
Net Cash Used by Investing Activities	(69.1)	(29.2)
Financing Activities
Cash dividends paid to shareholders	(22.1)	(22.5)
Net proceeds from common share activity	9.1	12.6
Purchase of treasury shares	0	(26.2)
Payments on long-term debt	0	(1.5)
Short-term debt activity, net	(7.0)	(9.9)
Net Cash Used by Financing Activities	(20.0)	(47.5)
Effect of exchange rate changes on cash	(3.5)	5.9
Increase (Decrease) In Cash and Cash Equivalents	(128.5)	(109.5)
Cash and cash equivalents at beginning of year	586.4	464.8
Cash and Cash Equivalents at End of Period	$ 457.9	$ 355.3