Composition of Certain Financial Statement Captions (Tables)
 12 Months Ended
Dec. 31, 2016
Balance Sheet Related Disclosures [Abstract]  
Schedule of Compensation and Other Employee Benefits
Compensation and other employee benefits were comprised of the following at December 31:
(In thousands)
 
2016
 
2015
Accrued salaries and wages
 
$
14,741

 
$
13,820

Accrued bonus
 
4,371

 
4,302

Accrued employee benefits
 
15,805

 
18,661

Total
 
$
34,917

 
$
36,783
Schedule of Other Accrued Liabilities
Other accrued liabilities were comprised of the following at December 31:
(In thousands)
 
2016
 
2015
Workers' compensation, auto and general liability reserve
 
$
6,123

 
$
7,537

Defense Base Act insurance financing
 
—

 
2,727

Other accrued liabilities
 
$
11,570

 
$
15,004

Total
 
$
17,693

 
$
25,268