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Income Taxes (Tables)
 6 Months Ended
Jun. 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 six months ended June 30, 2017 and 2016 are as follows:
 
Percent of Income
Before Income Taxes
Six Months Ended June 30,
2017
 
2016
Income tax expense at federal statutory rate
35.0

 
35.0

Foreign rate differences
1.7

 
0.1

State taxes, net of federal income tax benefit
1.2

 
0.5

Changes in estimates related to prior year tax provision
0.6

 
(1.3
)
Valuation allowance for foreign operating loss carry-forwards
0.5

 
0.3

Non-deductible expenses
0.4

 
1.6

Income tax contingency accruals and tax settlements
0.2

 
1.5

Valuation allowance for capital loss carry-forwards
—

 
(0.7
)
Unremitted earnings from foreign operations
(0.2
)
 
(2.0
)
Research and development tax credit
(0.5
)
 
(1.6
)
Domestic production activities deduction
(0.7
)
 
(2.2
)
Remitted earnings from foreign operations
(0.8
)
 
(0.8
)
Foreign investment write-up
(4.4
)
 
(0.6
)
Settlement of Terphane acquisition escrow
(7.9
)
 
—

Worthless stock deduction
(15.2
)
 
—

Effective income tax rate
9.9

 
29.8