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Employee Benefit Plans (Tables)
 6 Months Ended
Apr. 01, 2017
Compensation and Retirement Disclosure [Abstract]  
Schedule Of Costs For The Retirement Benefit Plan
Net periodic benefit costs for our defined benefit retirement plan included the following components:
 
 
Three Months Ended
 
Six Months Ended
(in thousands)
 
April 1,
2017
 
April 2,
2016
 
April 1,
2017
 
April 2,
2016
Service cost
 
$
342

 
$
243

 
$
691

 
$
482

Interest cost
 
103

 
152

 
209

 
302

Expected return on plan assets
 
(260
)
 
(257
)
 
(526
)
 
(510
)
Net amortization and deferral
 
238

 
146

 
482

 
290

Net periodic benefit cost
 
$
423

 
$
284

 
$
856

 
$
564