Property, Plant and Equipment, Net

12 Months Ended

Dec. 31, 2019

Property, Plant and Equipment [Abstract]

Property, plant and equipment, net consist of the following (in thousands):



	December 31,
	2019			2018
Land	$	17,701		$	17,608
Buildings and leasehold improvements	136,044			138,126
Furniture and equipment	258,933			240,080
	412,678			395,814
Accumulated depreciation	(177,312		)	(158,824		)
	235,366			236,990
Construction in progress	60,167			97,863
Property, plant and equipment, net	$	295,533		$	334,853

At December 31, 2019 and 2018, property, plant and equipment, net of $72.5 million and $91.9 million, respectively, was located outside the United States.

At December 31, 2019, the Company had $60.2 million of assets under construction which consisted primarily of manufacturing facility expansion and improvement projects. Depreciation will begin on these assets once they are placed into service. The Company assesses its long-lived assets, consisting primarily of property and equipment, for impairment when material events and changes in circumstances indicate that the carrying value may not be recoverable. For the year ended December 31, 2019, the Company recorded impairment losses of $38.7 million compared to $6.1 million for the year ended December 31, 2018. Of the $38.7 million impairment, $37.7 million is a result of the Company's decision to explore strategic alternatives to exit the India manufacturing facility. The remaining net book value of the India manufacturing facility is $25.7 million, of which $20.9 million is related to property, plant and equipment, net. During 2019, the Company capitalized interest into PP&E in the amount of $3.5 million compared to $6.3 million in 2018.

Depreciation expense was $30.5 million, $29.3 million and $23.7 million for the years ended December 31, 2019, 2018 and 2017, respectively.