Geographic Information (Tables)

12 Months Ended

Dec. 31, 2013

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:

	2013		2012		2011
Long-lived assets:
United States	$	454,031	$	403,534	$	377,667
International (primarily China and Russia)		35,372		36,535		40,835
Total	$	489,403	$	440,069	$	418,502

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:

	2013		2012		2011
Revenues:
United States	$	529,603	$	500,106	$	495,777
Canada		43,329		30,929		34,001
Other international		94,466		114,501		95,927
Total	$	667,398	$	645,536	$	625,705