RETIREMENT AND DEFERRED COMPENSATION PLANS (Tables)

3 Months Ended

Mar. 31, 2017

RETIREMENT AND DEFERRED COMPENSATION PLANS

Components of net periodic benefit cost

	Domestic Plans				Foreign Plans
Three Months Ended March 31,	2017		2016		2017		2016
Service cost	$	2,420	$	2,260	$	1,337	$	1,138
Interest cost		1,748		1,694		424		473
Expected return on plan assets		(2,464)		(2,118)		(568)		(545)
Amortization of net loss		801		821		447		384
Amortization of prior service cost		—		—		94		87
Net periodic benefit cost	$	2,505	$	2,657	$	1,734	$	1,537