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Stockholders' Equity (Tables)
6 Months Ended
Jun. 30, 2015
Stockholders' Equity Note [Abstract]  
Schedule of Accumulated Other Comprehensive Loss
Changes, net of tax, in accumulated other comprehensive loss and its components follow:
(in thousands)
 
Foreign Currency Translation Adjustments
 
Changes in Net Pension and Other Benefit Obligations
 
Total
Balance at December 31, 2014
 
$
(1,957
)
 
$
(233,865
)
 
$
(235,822
)
Current period (loss) income
 
(1,050
)
 
1,627

 
577

Balance at June 30, 2015
 
$
(3,007
)
 
$
(232,238
)
 
$
(235,245
)