BENEFIT PLANS (Tables)

9 Months Ended

Sep. 30, 2023

BENEFIT PLANS

Schedule of net periodic benefit cost

	Pension Benefits
	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(000’s omitted)	2023		2022		2023		2022
Service cost	$	1,108	$	1,240	$	3,324	$	3,720
Interest cost		1,890		1,334		5,670		4,002
Expected return on plan assets		(4,020)		(4,756)		(12,060)		(14,268)
Amortization of unrecognized net (gain) loss		(555)		211		(1,665)		633
Amortization of prior service cost		205		154		615		462
Net periodic benefit	$	(1,372)	$	(1,817)	$	(4,116)	$	(5,451)