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Other Noncurrent Liabilities
3 Months Ended
Mar. 31, 2018
Payables and Accruals [Abstract]  
Other Noncurrent Liabilities
Other Noncurrent Liabilities
Other noncurrent liabilities include the following:
 
March 31,
2018
 
March 31,
2017
 
December 31,
2017
 
(In thousands)
Benefit plan liabilities
$
186,114

 
$
179,720

 
$
168,539

Noncurrent tax liabilities
127,912

 
98,208

 
124,330

Other
148,648

 
171,034

 
191,257

 
$
462,674

 
$
448,962

 
$
484,126