CONSOLIDATED STATEMENTS OF INCOME (USD $) In Millions, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Revenues	$ 1,634.8	$ 1,401.2	$ 3,153.7	$ 2,716.7
Cost of sales	1,133.3	927.6	2,170.0	1,792.4
Gross profit	501.5	473.6	983.7	924.3
Selling and administrative expenses	123.6	100.0	256.3	222.9
Research, testing and development expenses	58.7	52.9	112.5	105.7
Amortization of intangible assets	7.1	6.2	13.9	12.5
Berkshire Hathaway merger-related costs (Note 1)	0.8		10.7
Restructuring and impairment charges (credits)	0.3	0.5	(0.3)	1.4
Other income - net	(5.0)	(11.6)	(4.1)	(19.7)
Interest income	(1.9)	(1.4)	(3.5)	(2.7)
Interest expense	23.9	24.8	49.1	49.6
Income before income taxes	294.0	302.2	549.1	554.6
Provision for income taxes	97.2	95.6	178.4	181.0
Net income	196.8	206.6	370.7	373.6
Net income attributable to noncontrolling interests	5.5	5.2	9.9	9.9
Net income attributable to The Lubrizol Corporation	$ 191.3	$ 201.4	$ 360.8	$ 363.7
Net income per share attributable to The Lubrizol Corporation, basic	$ 2.96	$ 2.95	$ 5.59	$ 5.32
Net income per share attributable to The Lubrizol Corporation, diluted	$ 2.90	$ 2.88	$ 5.47	$ 5.21
Dividends paid per share	$ 0.36	$ 0.36	$ 0.72	$ 0.67