CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) (USD $) In Millions	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities:
Net income	$ 39.7	$ 41.6
Depreciation	36.5	33.2
Amortization	2.3	2.2
Other non-cash items, net	3.4	1.0
Changes in assets and liabilities	(32.7)	(34.9)
Net cash provided by operating activities	49.2	43.1
Cash flows from investing activities:
Capital expenditures	(37.8)	(32.6)
Acquisition of business, net of cash acquired	0	(1.3)
Acquisition of patents and other long-term assets	(0.4)	0
Purchases of investments, net	(14.6)	(2.8)
Other, net	0.6	0.1
Net cash used in investing activities	(52.2)	(36.6)
Cash flows from financing activities:
Borrowings under revolving credit agreements, net	6.0	21.9
Repayment of former credit facility	0	(26.6)
Debt issuance costs	(0.3)	(1.6)
Changes in other debt	(0.5)	(0.5)
Dividend payments	(11.4)	(10.7)
Excess tax benefit from employee stock plans	3.1	2.0
Shares repurchased for employee tax withholdings	(3.5)	(2.1)
Issuance of common stock from treasury	3.9	2.4
Net cash used in financing activities	(2.7)	(15.2)
Effect of exchange rates on cash	5.9	(6.9)
Net increase (decrease) in cash and cash equivalents	0.2	(15.6)
Cash, including cash equivalents at beginning of period	110.2	83.1
Cash, including cash equivalents at end of period	$ 110.4	$ 67.5