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Income Taxes (Tables)
 3 Months Ended
Mar. 31, 2016
Income Tax Disclosure [Abstract]  
Schedule Of Effective Income Tax Rate For Continuing Operations
The significant differences between the U.S. federal statutory rate and the effective income tax rate for the three months ended March 31, 2016 and 2015 are as follows:
 
Percent of Income
Before Income Taxes
Three Months Ended March 31,
2016
 
2015
Income tax expense at federal statutory rate
35.0

 
35.0

Non-deductible expenses
1.0

 
0.7

Income tax contingency accruals and tax settlements
0.9

 
0.8

State taxes, net of federal income tax benefit
0.6

 
1.2

Valuation allowance for foreign operating loss carry-forwards
0.1

 
(0.4
)
Changes in estimates related to prior year tax provision
(0.2
)
 
(0.2
)
Foreign investment write-up
(0.3
)
 
—

Research and development tax credit
(0.9
)
 
—

Foreign rate differences
(0.9
)
 
(1.4
)
Unremitted earnings from foreign operations
(0.9
)
 
1.0

Valuation allowance for capital loss carry-forwards
(1.1
)
 
(1.6
)
Domestic production activities deduction
(2.7
)
 
(2.5
)
Effective income tax rate
30.6

 
32.6