Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of Composition of Capital Leases

The net book value of assets under capital leases, which are included in property, plant and equipment in our Consolidated Balance Sheets, are as follows:

	Year Ended December 31
	2018			2017
	(In thousands)
Machinery and equipment	$	5,481		$	5,619
Less accumulated depreciation	(4,045		)	(2,948		)
Net book value of assets under capital leases	$	1,436		$	2,671

Schedule of Future Minimum Payments under Non-Cancelable Operating Leases

Future minimum payments at December 31, 2018 under non-cancelable capital leases and operating leases with terms in excess of one year are summarized below:

	Capital Leases			Operating Leases
	(In thousands)
2019	$	1,271		$	118,827
2020	398			90,615
2021	—			64,501
2022	—			45,049
2023	—			32,771
Thereafter	—			50,998
Total minimum lease payments	1,669			$	402,761
Less amount representing interest	(51		)
Present value of capital lease obligations	$	1,618