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Income Taxes (Tables)
 6 Months Ended
Jun. 30, 2016
Income Tax Disclosure [Abstract]  
Schedule of Effective Tax Rates
The effective tax rates for the respective periods are shown below:
 
Three Months Ended 
 June 30,
 
Six Months Ended 
 June 30,
 
2016
 
2015
 
2016
 
2015
Federal provision
35.0
 %
 
35.0
 %
 
35.0
 %
 
35.0
 %
State provision
6.2
 %
 
6.9
 %
 
6.2
 %
 
6.9
 %
State benefit
(2.2
)%
 
(2.4
)%
 
(2.2
)%
 
(2.4
)%
International benefit(1)
(9.1
)%
 
(4.5
)%
 
(10.1
)%
 
(5.5
)%
Permanent items(2)
0.4
 %
 
3.2
 %
 
0.5
 %
 
2.1
 %
Other(3)
0.1
 %
 
0.6
 %
 
(1.4
)%
 
0.3
 %
Effective rate
30.4
 %
 
38.8
 %
 
28.0
 %
 
36.4
 %
________________________
(1)
Relates primarily to lower tax rates on income attributable to international operations.
(2)
Represents a provision for nondeductible items.
(3)
Includes the effect of discrete items and an IRS audit settlement.