Income Taxes (Tables)

12 Months Ended

Dec. 31, 2013

Income Taxes

Schedule Of Total Income Tax Expense

		2013		2012		2011
Income from continuing operations		$	49,754	$	42,364	$	34,973
Discontinued operations			(1,091)		1,574		3,032
Shareholders’ equity			(7,381)		(1,581)		(649)
Other comprehensive income			-		-		332
	Total	$	41,282	$	42,357	$	37,688

Schedule of Components of Income Tax Expense (Benefit)

		2013		2012		2011
Current:
	Federal	$	8,437	$	15,326	$	11,671
	State		3,724		4,974		3,541
Deferred:
	Federal		31,909		18,488		17,502
	State		5,684		3,576		2,259
	Income tax expense	$	49,754	$	42,364	$	34,973

Schedule of Effective Income Tax Rate Reconciliation

		2013		2012		2011
Statutory federal income tax		$	107,984	$	92,325	$	78,143
Less federal income tax assumed directly by noncontrolling interests			(65,142)		(55,715)		(48,394)
State income taxes, net of federal income tax benefit			5,539		5,309		3,642
Increase in valuation allowances			924		419		1,622
Interest related to unrecognized tax benefits			(155)		(109)		(83)
Other			604		135		43
	Income tax expense	$	49,754	$	42,364	$	34,973

Summary of Income Tax Contingencies

		2013		2012		2011
Balance at beginning of year		$	9,235	$	7,252	$	7,144
Additions for tax positions of current year			46		119		342
Increases (decreases) for tax positions taken during a prior period			-		1,985		(190)
Lapse of statute of limitations			(2,951)		(121)		(44)
	Balance at end of year	$	6,330	$	9,235	$	7,252

Schedule of Deferred Tax Assets and Liabilities

			2013		2012
Deferred tax assets:
	Allowance for uncollectible accounts		$	897	$	884
	Accrued assets and other			5,292		5,212
	Valuation allowances			(2,021)		(2,084)
		Total current deferred tax assets		4,168		4,012
	Share-based compensation			7,635		9,500
	Interest on unrecognized tax benefits			230		363
	Accrued liabilities and other			3,629		3,077
	Operating and capital loss carryforwards			9,185		9,169
	Valuation allowances			(7,665)		(7,265)
		Total non-current deferred tax assets		13,014		14,844
		Total deferred tax assets		17,182		18,856
Deferred tax liabilities:
	Prepaid expenses			1,071		925
	Property and equipment, principally due to differences in depreciation			4,137		3,997
	Goodwill, principally due to differences in amortization			184,897		148,494
		Total deferred tax liabilities		190,105		153,416
		Net deferred tax liabilities	$	172,923	$	134,560

Schedule Of Deferred Tax Assets And Liabilities, Net [Table Text Block]

		2013		2012
Current deferred income tax assets		$	3,097	$	3,088
Non-current deferred income tax liabilities			176,020		137,648
	Net deferred tax liabilities	$	172,923	$	134,560