RETIREMENT AND DEFERRED COMPENSATION PLANS (Tables)

6 Months Ended

Jun. 30, 2020

RETIREMENT AND DEFERRED COMPENSATION PLANS

Components of net periodic benefit cost

	Domestic Plans				Foreign Plans
Three Months Ended June 30,	2020		2019		2020		2019
Service cost	$	3,562	$	2,775	$	1,767	$	1,445
Interest cost		1,536		1,846		340		495
Expected return on plan assets		(2,702)		(3,095)		(631)		(586)
Amortization of net loss		1,294		489		514		359
Amortization of prior service cost		—		—		95		113
Net periodic benefit cost	$	3,690	$	2,015	$	2,085	$	1,826

	Domestic Plans				Foreign Plans
Six Months Ended June 30,	2020		2019		2020		2019
Service cost	$	7,139	$	5,548	$	3,535	$	2,905
Interest cost		3,523		3,691		680		996
Expected return on plan assets		(6,124)		(6,189)		(1,265)		(1,178)
Amortization of net loss		2,842		978		1,028		722
Amortization of prior service cost		—		—		192		226
Net periodic benefit cost	$	7,380	$	4,028	$	4,170	$	3,671