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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2014
Income Tax Disclosure [Abstract]  
Schedule Of Total Income Tax Expense
Total income taxes expense (benefit) for the years ended December 31, 2014, 2013 and 2012 was included within the following sections of the consolidated financial statements as follows (in thousands):
  
2014
 
2013
 
2012
Income from continuing operations
$
48,103

 
$
48,654

 
$
40,893

Discontinued operations
(643
)
 
9

 
3,045

Shareholders’ equity
(3,177
)
 
(7,381
)
 
(1,581
)
Total
$
44,283

 
$
41,282

 
$
42,357

Schedule of Components of Income Tax Expense (Benefit)
Income tax expense from continuing operations for the years ended December 31, 2014, 2013 and 2012 was comprised of the following (in thousands):
  
2014
 
2013
 
2012
Current:
  
 
  
 
  
Federal
$
8,640

 
$
7,895

 
$
14,602

State
4,396

 
3,598

 
4,806

Deferred:
  

 
  

 
  

Federal
27,505

 
31,509

 
18,018

State
7,562

 
5,652

 
3,467

Income tax expense
$
48,103

 
$
48,654

 
$
40,893

Schedule of Effective Income Tax Rate Reconciliation
Income tax expense from continuing operations for the years ended December 31, 2014, 2013 and 2012 differed from the amount computed by applying the U.S. federal income tax rate of 35% to earnings before income taxes as a result of the following (in thousands):
  
2014
 
2013
 
2012
Statutory federal income tax
$
102,967

 
$
106,101

 
$
89,806

Less federal income tax assumed directly by noncontrolling interests
(66,783
)
 
(64,219
)
 
(56,378
)
State income taxes, net of federal income tax benefit
6,616

 
5,539

 
7,020

Increase in valuation allowances
4,662

 
924

 
419

Interest related to unrecognized tax benefits
(161
)
 
(155
)
 
(109
)
Other
802

 
464

 
135

Income tax expense
$
48,103

 
$
48,654

 
$
40,893

Summary of Income Tax Contingencies
A reconciliation of the beginning and ending amount of the liability associated with unrecognized tax benefits for the years ended December 31, 2014, 2013 and 2012 is as follows (in thousands):
  
2014
 
2013
 
2012
Balance at beginning of year
$
6,330

 
$
9,235

 
$
7,252

Additions for tax positions of current year
204

 
46

 
119

Increases for tax positions taken during a prior period
1,069

 

 
1,985

Lapse of statute of limitations
(267
)
 
(2,951
)
 
(121
)
Balance at end of year
$
7,336

 
$
6,330

 
$
9,235

Schedule of Deferred Tax Assets and Liabilities
The tax effects of temporary differences that give rise to significant portions of the deferred tax assets and deferred tax liabilities at December 31, 2014 and 2013 were as follows (in thousands):
  
2014
 
2013
Deferred tax assets:
  
 
  

Allowance for uncollectible accounts
$
1,096

 
$
897

Accrued assets and other
27,537

 
5,292

Valuation allowances
(3,736
)
 
(2,021
)
Total current deferred tax assets
24,897

 
4,168

Share-based compensation
7,719

 
7,635

Interest on unrecognized tax benefits
245

 
230

Accrued liabilities and other
3,931

 
3,629

Medical malpractice
16,240

 

Operating and capital loss carryforwards
22,709

 
9,185

Valuation allowances
(13,721
)
 
(7,665
)
Total non-current deferred tax assets
37,123

 
13,014

Total deferred tax assets
62,020

 
17,182

Deferred tax liabilities:
  
 
  
Prepaid expenses
2,435

 
1,071

Property and equipment, principally due to differences in depreciation
15,235

 
4,137

Goodwill, intangible assets and other, principally due to differences in amortization
655,368

 
184,897

Total deferred tax liabilities
673,038

 
190,105

Net deferred tax liabilities
$
611,018

 
$
172,923

Schedule Of Deferred Tax Assets And Liabilities
The net deferred tax liabilities at December 31, 2014 and 2013 were recorded as follows (in thousands):
  
2014
 
2013
Current deferred income tax assets
$
22,462

 
$
3,097

Non-current deferred income tax liabilities
633,480

 
176,020

Net deferred tax liabilities
$
611,018

 
$
172,923