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Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2011

Supplemental Cash Flow Information [Abstract]

Schedule Of Supplemental Cash Flow Information

Years Ended December 31,		2011				2010				2009
Interest paid		$	1,854			$	1,348			$	1,436
Income taxes net of refunds		$	45,137			$	37,361			$	14,018
Net assets of locations contributed to Carrier Enterprise I and II		$	14,769				—			$	23,217
Non-cash capital contribution of inventory by noncontrolling interest			—				—			$	32,000
Common and Class B common stock issued for Carrier Enterprise I			—				—			$	151,056

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