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Depreciation and Amortization (Tables)

12 Months Ended

Dec. 31, 2012

Depreciation and Amortization Expense Excluded from Operating Expenses

The amounts of depreciation and amortization expense excluded from the following operating expenses in its Statement of Operations are:

		Year Ended December 31,
		2012				2011				2010
Direct expenses		$	277,662			$	283,720			$	297,517
General and administrative expenses			4,137				4,224				5,033
Corporate expenses			14,284				11,695				10,153
		$	296,083			$	299,639			$	312,703

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- Definition

Depreciation and amortization expenses excluded from operating expenses.

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+ Details

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