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EMPLOYEE BENEFIT PLANS (Tables)
6 Months Ended
Jul. 01, 2017
Compensation and Retirement Disclosure [Abstract]  
Components of pension expense and post-retirement benefit expense
The components of net periodic pension cost included in the statement of operations were comprised of:
 
Fiscal quarter ended
 
Two fiscal quarters ended
(dollars in thousands)
July 1, 2017
 
July 2, 2016
 
July 1, 2017
 
July 2, 2016
Interest cost
$
611

 
$
629

 
$
1,222

 
$
1,258

Expected return on plan assets
(650
)
 
(676
)
 
(1,300
)
 
(1,352
)
Recognized actuarial loss
170

 
145

 
340

 
290

Net periodic pension cost
$
131

 
$
98

 
$
262

 
$
196

Schedule of costs and retirement plans
The components of post-retirement (benefit) cost included in the statement of operations were comprised of:
 
Fiscal quarter ended
 
Two fiscal quarters ended
(dollars in thousands)
July 1, 2017
 
July 2, 2016
 
July 1, 2017
 
July 2, 2016
Service cost – benefits attributed to service during the period
$
7

 
$
31

 
$
14

 
$
62

Interest cost on accumulated post-retirement benefit obligation
34

 
44

 
68

 
88

Amortization net actuarial gain
(76
)
 
(49
)
 
(152
)
 
(98
)
Total net periodic post-retirement (benefit) cost
$
(35
)
 
$
26

 
$
(70
)
 
$
52