RETIREMENT AND DEFERRED COMPENSATION PLANS (Tables)

6 Months Ended

Jun. 30, 2019

RETIREMENT AND DEFERRED COMPENSATION PLANS

Components of net periodic benefit cost

	Domestic Plans				Foreign Plans
Three Months Ended June 30,	2019		2018		2019		2018
Service cost	$	2,775	$	2,844	$	1,445	$	1,491
Interest cost		1,846		1,706		495		457
Expected return on plan assets		(3,095)		(2,792)		(586)		(658)
Amortization of net loss		489		1,210		359		433
Amortization of prior service cost		—		—		113		125
Net periodic benefit cost	$	2,015	$	2,968	$	1,826	$	1,848

	Domestic Plans				Foreign Plans
Six Months Ended June 30,	2019		2018		2019		2018
Service cost	$	5,548	$	5,693	$	2,905	$	3,022
Interest cost		3,691		3,426		996		929
Expected return on plan assets		(6,189)		(5,606)		(1,178)		(1,337)
Amortization of net loss		978		2,428		722		879
Amortization of prior service cost		—		—		226		254
Net periodic benefit cost	$	4,028	$	5,941	$	3,671	$	3,747