Geographic Information (Tables)

12 Months Ended

Dec. 31, 2012

Long Lived Assets

Geographic Information for Long-Lived Assets and Revenues in United States and other Countries

Long-lived assets, consisting of net property, plant and equipment and other long-term assets, as of December 31 in the United States and other countries are as follows:

	2012		2011		2010
Long-lived assets:
United States	$	403,534	$	377,667	$	294,368
International (primarily China and Russia)		36,535		40,835		46,391
Total	$	440,069	$	418,502	$	340,759

Revenues From External Customers

Geographic Information for Long-Lived Assets and Revenues in United States and other Countries

Revenues for the years ended December 31 in the United States, Canada and other countries are as follows:

	2012		2011		2010
Revenues:
United States	$	500,106	$	495,777	$	365,346
Canada		30,929		34,001		28,926
Other international		114,501		95,927		78,810
Total	$	645,536	$	625,705	$	473,082