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Organization And Summary Of Significant Accounting Policies Organization And Summary Of Significant Accounting Policies (Tables)
 6 Months Ended
Jun. 30, 2018
Accounting Policies [Abstract]  
Schedule of New Accounting Pronouncements and Changes in Accounting Principles
The following table summarizes the adjustments made to conform prior period classifications to the new guidance:
 
For the Three Months
Ended June 30, 2017
 
For the Six Months
Ended June 30, 2017
 
(dollars in thousands)
 
As
Reported
 
Effect of Accounting Change
 
As
Adjusted
 
As
Reported
 
Effect of Accounting Change
 
As
Adjusted
Cost of Sales
$
106,635

 
$
(201
)
 
$
106,434

 
$
210,289

 
$
(402
)
 
$
209,887

Research and development
943

 
(10
)
 
933

 
1,772

 
(18
)
 
1,754

Selling and administrative expenses
12,195

 
(26
)
 
12,169

 
23,878

 
(54
)
 
23,824

Other (income) expense, net
1,186

 
237

 
1,423

 
4,253

 
474

 
4,727

 
For the Year Ended December 31, 2017
 
For the Year Ended December 31, 2016
 
(dollars in thousands)
 
As
Reported
 
Effect of Accounting Change
 
As
Adjusted
 
As
Reported
 
Effect of Accounting Change
 
As
Adjusted
Cost of Sales
$
462,848

 
$
206

 
$
463,054

 
$
466,990

 
$
1,212

 
$
468,202

Research and development
2,951

 
505

 
3,456

 
2,399

 
135

 
2,534

Selling and administrative expenses
49,479

 
3,027

 
52,506

 
57,784

 
731

 
58,515

Other (income) expense, net
1,634

 
(3,738
)
 
(2,104
)
 
(2,188
)
 
(2,078
)
 
(4,266
)