Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2018

Retirement Benefits [Abstract]

Schedule of net benefit costs

	Three Months Ended
	June 30
Defined Benefit Pension Plans Net Periodic Pension Cost	U.S. Plans						International Plans
(In thousands)	2018			2017			2018			2017
Service costs	$	11		$	11		$	408		$	406
Interest costs	2,390			2,470			5,442			5,773
Expected return on plan assets	(3,017		)	(2,621		)	(10,696		)	(10,515		)
Recognized prior service costs	—			8			(37		)	46
Recognized loss	1,302			1,425			3,690			4,087
Defined benefit pension plans net periodic pension cost (benefit)	$	686		$	1,293		$	(1,193	)	$	(203	)

	Six Months Ended
	June 30
Defined Benefit Pension Plans Net Periodic Pension Cost	U.S. Plans						International Plans
(In thousands)	2018			2017			2018			2017
Service costs	$	21		$	22		$	794		$	817
Interest costs	4,781			4,939			11,114			11,507
Expected return on plan assets	(6,034		)	(5,242		)	(21,841		)	(20,939		)
Recognized prior service costs	—			16			(76		)	91
Recognized loss	2,604			2,850			7,530			8,129
Settlement/curtailment losses	166			—			—			—
Defined benefit pension plans net periodic pension cost (income)	$	1,538		$	2,585		$	(2,479	)	$	(395	)

Schedule of contributions to pension plans

	Three Months Ended				Six Months Ended
Company Contributions	June 30				June 30
(In thousands)	2018		2017		2018		2017
Defined benefit pension plans (U.S.)	$	2,067	$	471	$	3,351	$	942
Defined benefit pension plans (International)	3,239		2,963		12,973		11,300
Multiemployer pension plans	519		498		1,020		983
Defined contribution pension plans	2,747		2,468		5,582		5,028