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Restructuring and Other Charges, Net (Tables)
 3 Months Ended
Mar. 31, 2016
Restructuring and Related Activities [Abstract]  
Changes in Employee-Related Restructuring Liabilities
Changes in employee-related restructuring liabilities during the three months ended March 31, 2016, were as follows:
 
(DOLLARS IN THOUSANDS)
Employee-Related Costs
 
Accelerated Depreciation
 
Total
Balance at December 31, 2015
$
7,882

 
$
—

 
$
7,882

Additional charges (reversals), net
—

 
101

 
101

Non-cash charges
—

 
(101
)
 
(101
)
Payments and other costs
(923
)
 
—

 
(923
)
Balance at March 31, 2016
$
6,959

 
$
—

 
$
6,959