Note 7 - Property, Plant and Equipment

12 Months Ended

Dec. 31, 2018

Property Plant And Equipment [Abstract]

Property, Plant and Equipment

(7) Property, Plant and Equipment

Property, plant and equipment consist of the following:

	December 31,
	2018			2017
Land	$	18,790		$	6,911
Buildings and improvements		177,568			129,065
Machinery and equipment		489,980			451,882
Furniture and fixtures		3,094			2,850
Construction in progress		50,211			34,400
Total		739,643			625,108
Accumulated depreciation		(379,115	)		(370,809	)
Net	$	360,528		$	254,299

Depreciation expense was $32,195, $29,970 and $23,654 for the years ended December 31, 2018, 2017 and 2016, respectively.  Total capital expenditures in 2018 and 2017 were $70,547 and $53,900, respectively.