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Income Taxes (Tables)
 9 Months Ended
Sep. 30, 2017
Income Tax Disclosure [Abstract]  
Schedule Of Effective Income Tax Rate For Continuing Operations
he significant differences between the U.S. federal statutory rate and the effective income tax rate for the nine months ended September 30, 2017 and 2016 are as follows:
 
Percent of Income
Before Income Taxes
Nine Months Ended September 30,
2017
 
2016
Income tax expense at federal statutory rate
35.0

 
35.0

Foreign rate differences
1.5

 
1.1

State taxes, net of federal income tax benefit
1.3

 
0.7

Changes in estimates related to prior year tax provision
0.5

 
(1.6
)
Non-deductible expenses
0.5

 
1.6

Valuation allowance for foreign operating loss carry-forwards
0.4

 
0.3

Unremitted earnings from foreign operations
0.2

 
(1.1
)
Valuation allowance for capital loss carry-forwards
—

 
(0.4
)
Income tax contingency accruals and tax settlements
(0.4
)
 
1.3

Remitted earnings from foreign operations
(0.6
)
 
(23.8
)
Research and development tax credit
(0.7
)
 
(1.8
)
Domestic production activities deduction
(0.9
)
 
(3.8
)
Foreign investment write-up
(3.5
)
 
0.1

Settlement of Terphane acquisition escrow
(6.4
)
 
—

Worthless stock deduction
(12.2
)
 
—

Effective income tax rate
14.7

 
7.6