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Retirement Benefits (Tables)
 3 Months Ended
Dec. 29, 2017
Compensation And Retirement Disclosure [Abstract]  
Schedule of Net Periodic Pension Cost

The Company’s pension plans principally include a U.S. pension plan maintained by Esterline and a non-U.S. plan maintained by CMC Electronics, Inc. (CMC).  The Company also sponsors a number of other non-U.S. defined benefit pension plans, primarily in Belgium, France and Germany.  Components of periodic pension cost consisted of the following:

 

In Thousands

Three Months Ended

 

 

 

December 29,

 

 

December 30,

 

 

 

2017

 

 

2016

 

 

 

 

 

 

 

 

 

 

 

Components of Net Periodic Cost

 

 

Service cost

$

3,374

 

 

$

3,357

 

 

Interest cost

 

4,106

 

 

 

3,721

 

 

Expected return on plan assets

 

(6,808

)

 

 

(6,265

)

 

Amortization of prior service cost

 

126

 

 

 

114

 

 

Amortization of actuarial (gain) loss

 

797

 

 

 

1,763

 

 

Net periodic cost (benefit)

$

1,595

 

 

$

2,690