Retirement Benefits (Tables)

6 Months Ended

Mar. 30, 2018

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						Six Months Ended
	March 30,			March 31,			March 30,			March 31,
	2018			2017			2018			2017
Components of Net Periodic Cost
Service cost	$	3,396		$	3,368		$	6,769		$	6,725
Interest cost		4,120			3,734			8,227			7,455
Expected return on plan assets		(6,826	)		(6,290	)		(13,634	)		(12,555	)
Amortization of prior service cost		127			115			253			229
Amortization of actuarial (gain) loss		799			1,638			1,596			3,401
Net periodic cost (benefit)	$	1,616		$	2,565		$	3,211		$	5,255