Commitment and Contingencies Disclosure (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Operating leases

The amounts of annual minimum lease payments due under these leases as of December 31, 2018, were:

	2019		2020		2021		2022		2023		Thereafter
	(In thousands)
Operating leases	$	37,740	$	26,255	$	17,868	$	11,647	$	7,278	$	49,098

Purchase commitments

The commitments under these contracts as of December 31, 2018, were:

	2019		2020		2021		2022		2023		Thereafter
	(In thousands)
Purchase commitments	$	418,106	$	215,069	$	169,716	$	115,884	$	84,268	$	622,383