RETIREMENT AND POSTRETIREMENT BENEFIT PLANS (Tables)

6 Months Ended

Jun. 30, 2020

Retirement Benefits [Abstract]

Components of total pension cost

The components of total pension cost were as follows:

	Three Months Ended June 30,												Six Months Ended June 30,
	2020						2019						2020						2019
	U.S. pension plans			Non-U.S. pension plans			U.S. pension plans			Non-U.S. pension plans			U.S. pension plans			Non-U.S. pension plans			U.S. pension plans			Non-U.S. pension plans
Service cost	$	39		$	742		$	35		$	701		$	78		$	1,498		$	70		$	1,429
Interest cost	4,051			683			4,653			922			8,101			1,379			9,306			1,858
Expected return on plan assets	(5,711		)	(1,014		)	(6,245		)	(1,106		)	(11,422		)	(2,021		)	(12,490		)	(2,230		)
Amortization of prior service cost	—			16			—			15			—			31			—			31
Amortization of net loss	203			540			414			572			406			1,095			827			1,157
Settlement charges (1)	3,334			—			—			—			3,334			—			—			—
Defined benefit plans	1,916			967			(1,143		)	1,104			497			1,982			(2,287		)	2,245
Multi-employer plans	—			257			—			243			—			526			—			490
Defined contribution plans	4,751			773			5,791			424			10,377			1,475			11,699			923
Total pension cost	$	6,667		$	1,997		$	4,648		$	1,771		$	10,874		$	3,983		$	9,412		$	3,658

(1) Pension settlement charges resulting from lump sum pension payments in the three and six months ended June 30, 2020.