RETIREMENT AND DEFERRED COMPENSATION PLANS (Tables)

3 Months Ended

Mar. 31, 2020

RETIREMENT AND DEFERRED COMPENSATION PLANS

Components of net periodic benefit cost

	Domestic Plans				Foreign Plans
Three Months Ended March 31,	2020		2019		2020		2019
Service cost	$	3,577	$	2,773	$	1,768	$	1,460
Interest cost		1,987		1,845		340		501
Expected return on plan assets		(3,422)		(3,094)		(634)		(592)
Amortization of net loss		1,548		489		514		363
Amortization of prior service cost		—		—		97		113
Net periodic benefit cost	$	3,690	$	2,013	$	2,085	$	1,845