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Income Taxes (Tables)
9 Months Ended
Sep. 30, 2013
Income Tax Disclosure [Abstract]  
Reconciliation between the statutory United States Federal income tax rate and the Company's effective income tax rate
The following is a reconciliation between the statutory U.S. Federal income tax rate and the Company’s effective income tax rate on income from continuing operations:
 
Three Months Ended
September 30,
 
Nine Months Ended
September 30,
 
2013
 
2012
 
2013
 
2012
Statutory rate
35.0
 %
 
35.0
 %
 
35.0
 %
 
35.0
 %
State taxes
2.5

 
2.0

 
2.3

 
2.0

Domestic production activities deduction
(2.7
)
 

 
(1.6
)
 

Noncontrolling interest
(1.0
)
 

 
(0.9
)
 

Tax assessments and settlements

 

 

 
(0.8
)
Changes in valuation allowance and reserves
(3.0
)
 
(1.6
)
 
(1.2
)
 
(0.6
)
Foreign tax adjustments

 
(1.0
)
 

 
(0.6
)
State adjustments
3.2

 

 
1.2

 

Other, net
0.2

 
(0.3
)
 
0.1

 
(0.1
)
Effective rate
34.2
 %
 
34.1
 %
 
34.9
 %
 
34.9
 %
Change in unrecognized tax benefits
The change in unrecognized tax benefits for the nine months ended September 30, 2013 and 2012 was as follows:
 
Nine Months Ended
September 30,
 
2013
 
2012
 
(in millions)
Beginning balance
$
48.7

 
$
52.5

Additions for tax positions related to the current year
3.4

 
3.1

Additions for tax positions of prior years
1.9

 

Reductions for tax positions of prior years

 
(1.1
)
Settlements
(0.1
)
 
(3.4
)
Expiration of statute of limitations
(0.1
)
 
(0.8
)
Ending balance
$
53.8

 
$
50.3