Retirement Benefits (Tables)

9 Months Ended

Jun. 29, 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), a wholly owned subsidiary of the Company.  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						Nine Months Ended
	June 29,			June 30,			June 29,			June 30,
	2018			2017			2018			2017
Components of Net Periodic Cost
Service cost	$	3,356		$	3,287		$	10,125		$	10,012
Interest cost		4,085			3,838			12,312			11,293
Expected return on plan assets		(6,772	)		(6,241	)		(20,406	)		(18,796	)
Amortization of prior service cost		123			114			376			343
Amortization of actuarial (gain) loss		796			1,996			2,392			5,397
Net periodic cost	$	1,588		$	2,994		$	4,799		$	8,249