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Segment And Geographic Area Information (Tables)

12 Months Ended

Dec. 31, 2011

Segment And Geographic Area Information [Abstract]

Schedule Of Revenue And Operating Profit By Segment

		2011				2010				2009
Revenue
Petroleum additives		$	2,126,444			$	1,774,372			$	1,518,138
Real estate development			11,431				11,316				0
All other			11,683				11,704				11,984
Consolidated revenue (a)		$	2,149,558			$	1,797,392			$	1,530,122
Segment operating profit
Petroleum additives
Petroleum additives before gain on legal settlement, net		$	309,626			$	299,053			$	279,800
Gain on legal settlement, net (b)			38,656				0				0
Total petroleum additives			348,282				299,053				279,800
Real estate development			7,042				7,000				(391	)
All other			2,861				2,403				(57	)
Segment operating profit			358,185				308,456				279,352
Corporate, general, and administrative expenses			(16,709	)			(20,330	)			(17,033	)
Interest and financing expenses, net			(18,820	)			(17,261	)			(11,716	)
Loss on interest rate swap agreement (c)			(17,516	)			(10,324	)			(11,440	)
Other (expense) income, net			(1,423	)			(545	)			213
Income before income tax expense		$	303,717			$	259,996			$	239,376

(a) Net sales to one customer of our petroleum additives segment exceeded 10% of consolidated revenue in 2011, 2010, and 2009. Sales to Royal Dutch Shell plc and its affiliates (Shell) amounted to $246 million (11% of consolidated revenue) in 2011, $217 million (12% of consolidated revenue) in 2010, and $232 million (15% of consolidated revenue) in 2009. These sales represent a wide-range of products sold to this customer in multiple regions of the world.

(b) For 2011, the petroleum additives segment includes a net gain of $38.7 million related to a legal settlement. See Note 18 for additional information.

(c) The loss on the interest rate swap agreement represents the change, since the beginning of the reporting period, in the fair value of an interest rate swap which we entered into on June 25, 2009. We are not using hedge accounting to record the interest rate swap, and accordingly, any change in the fair value is immediately recognized in earnings.

Schedule Of Asset Information By Segment

		2011				2010				2009
Segment assets
Petroleum additives		$	854,134			$	768,814			$	613,852
Real estate development			109,162				112,385				113,125
All other			14,125				17,246				17,633
			977,421				898,445				744,610
Cash and cash equivalents			50,370				49,192				151,831
Short-term investments			0				300				300
Other accounts receivable			173				5,906				379
Deferred income taxes			43,066				28,850				38,788
Prepaid expenses			36,943				15,358				38,975
Non-segment property, plant and equipment, net			24,791				23,315				23,951
Prepaid pension cost			11,494				8,597				2,430
Other assets and deferred charges			47,404				32,778				23,928
Total assets		$	1,191,662			$	1,062,741			$	1,025,192
Additions to long-lived assets
Petroleum additives		$	50,760			$	42,908			$	37,173
Real estate development			0				2,046				53,030
All other			30				51				25
Corporate			2,725				1,631				405
Total additions to long-lived assets		$	53,515			$	46,636			$	90,633
Depreciation and amortization
Petroleum additives		$	36,604			$	32,454			$	30,098
Real estate development			4,091				4,065				0
All other			112				98				94
Corporate			2,545				2,517				2,628
Total depreciation and amortization		$	43,352			$	39,134			$	32,820

Schedule Of Revenue, Total Assets And Long-Lived Assets By Geographic Area

		2011				2010				2009
Revenue
United States		$	767,715			$	650,781			$	604,592
Foreign			1,381,843				1,146,611				925,530
Consolidated revenue		$	2,149,558			$	1,797,392			$	1,530,122
Total assets
United States		$	634,939			$	590,216			$	637,227
Foreign			556,723				472,525				387,965
Total assets		$	1,191,662			$	1,062,741			$	1,025,192
Long-lived assets
United States		$	256,998			$	255,785			$	256,901
Foreign			95,968				78,191				45,514
Total long-lived assets		$	352,966			$	333,976			$	302,415

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