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CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Parenthetical) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
CONDENSED CONSOLIDATED STATEMENTS OF INCOME
Direct operating expenses exclusive of depreciation and amortization	$ 3,286	$ 2,852	$ 6,480	$ 5,617
Direct operating expenses exclusive of stock-based compensation	2,407	2,642	4,436	5,291
Selling, general and administrative exclusive of depreciation and amortization	923	506	1,665	1,118
Selling, general and administrative exclusive of stock-based compensation	$ 6,210	$ 5,831	$ 10,400	$ 10,512

The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

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