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4. SUPPLEMENTAL CASH FLOW INFORMATION (Detail) - Supplemental Cash Flow Information (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Interest	$ 130,957	$ 177,125
Federal, state and local income taxes, net of refunds	1,872,280	165,910
Fixed asset purchases in accounts payable	$ 404,855	$ 469,908

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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- Definition

The amount of cash paid for interest during the period net of cash paid for interest that is capitalized.

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