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Income taxes (Tables)
12 Months Ended
Dec. 31, 2015
Income Tax Disclosure [Abstract]  
Components of Income Tax Expense (benefit)

Income tax expense (benefit) consisted of the following:

 

 

 

Year ended December 31,

 

 

 

2015

 

 

2014

 

 

2013

 

Current:

 

 

 

 

 

 

 

 

 

 

 

 

Federal

 

$

183,263

 

 

$

188,302

 

 

$

334,258

 

State

 

 

30,766

 

 

 

30,789

 

 

 

68,715

 

International

 

 

856

 

 

 

1,687

 

 

 

1,764

 

Total current income tax

 

$

214,885

 

 

$

220,778

 

 

$

404,737

 

Deferred:

 

 

 

 

 

 

 

 

 

 

 

 

Federal

 

 

88,718

 

 

 

192,267

 

 

 

(6,695

)

State

 

 

(8,307

)

 

 

32,360

 

 

 

(8,941

)

International

 

 

430

 

 

 

938

 

 

 

746

 

Total deferred income tax

 

$

80,841

 

 

$

225,565

 

 

$

(14,890

)

 

 

$

295,726

 

 

$

446,343

 

 

$

389,847

 

 

Allocation of Income Tax Expense (Benefit)

The allocation of income tax expense (benefit) was as follows:

 

 

 

Year ended December 31,

 

 

 

2015

 

 

2014

 

 

2013

 

Continuing operations

 

$

295,726

 

 

$

446,343

 

 

$

381,013

 

Discontinued operations

 

 

 

 

 

 

 

 

(84

)

Gain on discontinued operations

 

 

 

 

 

 

 

 

8,918

 

 

 

$

295,726

 

 

$

446,343

 

 

$

389,847

 

 

Reconciliation between our Effective Tax Rate from Continuing Operations and the U.S. Federal Income Tax Rate

The reconciliation between the Company’s effective tax rate from continuing operations and the U.S. federal income tax rate is as follows:

 

 

 

Year ended December 31,

 

 

 

2015

 

 

2014

 

 

2013

 

Federal income tax rate

 

 

35.0

%

 

 

35.0

%

 

 

35.0

%

State income taxes, net of federal benefit

 

 

2.5

 

 

 

3.5

 

 

 

3.8

 

International rate differential

 

 

(1.1

)

 

 

(0.2

)

 

 

0.1

 

Goodwill and intangible impairments

 

 

11.7

 

 

 

 

 

 

 

Changes in deferred tax valuation allowances

 

 

2.6

 

 

 

0.6

 

 

 

0.3

 

Contingent earn-out adjustments

 

 

 

 

 

 

 

 

(2.6

)

Other

 

 

1.5

 

 

 

(0.8

)

 

 

1.4

 

Impact of noncontrolling interests primarily attributable to

   non-tax paying entities

 

 

(11.3

)

 

 

(4.0

)

 

 

(4.1

)

Effective tax rate

 

 

40.9

%

 

 

34.1

%

 

 

33.9

%

 

Deferred Tax Assets and Liabilities Arising from Temporary Differences

Deferred tax assets and liabilities arising from temporary differences were as follows:

 

 

 

December 31,

 

 

 

2015

 

 

2014

 

Receivables

 

$

43,393

 

 

$

42,976

 

Accrued liabilities

 

 

272,080

 

 

 

253,228

 

Net operating loss carryforwards

 

 

130,977

 

 

 

102,212

 

Other

 

 

114,805

 

 

 

93,567

 

Deferred tax assets

 

 

561,255

 

 

 

491,983

 

Valuation allowance

 

 

(57,811

)

 

 

(28,784

)

Net deferred tax assets

 

 

503,444

 

 

 

463,199

 

Intangible assets

 

 

(927,761

)

 

 

(839,824

)

Property and equipment

 

 

(205,071

)

 

 

(187,198

)

Investments in partnerships

 

 

(83,584

)

 

 

(78,619

)

Other

 

 

(13,990

)

 

 

(7,633

)

Deferred tax liabilities

 

 

(1,230,406

)

 

 

(1,113,274

)

Net deferred tax liabilities

 

$

(726,962

)

 

$

(650,075

)

 

Reconciliation of the Beginning and Ending Liability for Unrecognized Tax Benefits that Do Not Meet the More-Likely-than-not Threshold

A reconciliation of the beginning and ending liability for unrecognized tax benefits that do not meet the more-likely-than-not threshold were as follows:

 

 

 

Year ended December 31,

 

 

 

 

2015

 

 

 

2014

 

Balance beginning

 

$

31,877

 

 

$

60,538

 

Additions for tax positions related to current year

 

 

6,131

 

 

 

914

 

Additions (reductions) for tax positions related to prior years

 

 

2,999

 

 

 

(27,312

)

Reductions related to lapse of applicable statute

 

 

(1,996

)

 

 

(2,077

)

Reductions related to settlements with taxing authorities

 

 

 

 

 

(186

)

Balance ending

 

$

39,011

 

 

$

31,877