SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2012

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]

Allowance for Doubtful Accounts

The activity in the accounts receivable allowance for the years ended December 31, 2012, 2011 and 2010 consists of the following (in thousands):

	For the Years Ended December 31,
	2012			2011			2010
Balance at beginning of year		2,903			1,414			740
Bad debt expense		2,790			2,339			1,702
Write-offs		(2,232	)		(850	)		(1,028	)
Balance at end of year		3,461			2,903			1,414

Property and Equipment Estimated Useful Lives

Property and equipment are stated at cost less accumulated depreciation and amortization. Provisions for depreciation and amortization are computed using the straight-line method for financial reporting purposes at rates based upon the following estimated useful lives:

Buildings	30 to 40 years
Building improvements	4 to 20 years
Furniture and equipment	3 to 10 years
Leasehold improvements	The shorter of the useful life of the assets or a term that includes required lease periods and renewals that are deemed to be reasonably assured at the date the leasehold improvements are purchased.

Outstanding Shares Reconciliation

A reconciliation of our outstanding shares is as follows:

		Class A Common Stock			Class B Common Stock			Treasury Stock
December 31, 2010			19,934,066			3,040,620			4,882,672
	Conversion of Class B to Class A		129,882			(120,830	)		—
	Repurchase of Class A Common Stock		(49,200	)		—			49,200
	Issuance of shares for stock options		34,338			—			—
December 31, 2011			20,049,086			2,919,790			4,931,872
	Conversion of Class B to Class A		23,423			(21,794	)		—
December 31, 2012			20,072,509			2,897,996			4,931,872

Components of Accumulated Other Comprehensive Income (loss), Net of Tax

The components of Accumulated Other Comprehensive Income (loss), net of tax, are as follows:

	2012		2011		2010
	(In thousands)
Unrealized gains on investments	$	19	$	156	$	476
Net unrealized loss on derivatives		—		—		(571	)
Accumulated other comprehensive income/(loss)	$	19	$	156	$	(95	)