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Rental Expense And Contractual Commitments
12 Months Ended
Dec. 31, 2017
Leases, Operating [Abstract]  
Rental Expense And Contractual Commitments
RENTAL EXPENSE AND CONTRACTUAL COMMITMENTS
Rental expense for continuing operations was $4.4 million in 2017, $2.9 million in 2016 and $3.6 million in 2015. Rental commitments under all noncancellable leases (including $0.1 million for capital leases) for continuing operations as of December 31, 2017, are as follows:
(In thousands)
 
2018
$
3,657

2019
3,532

2020
3,314

2021
2,826

2022
1,991

Remainder
3,109

Total minimum lease payments
$
18,429


Contractual obligations for plant construction and purchases of real property and equipment amounted to $4.6 million at December 31, 2017.