Property, Plant and Equipment

12 Months Ended

Dec. 31, 2019

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment consist of the following:

	As of December 31
(in thousands)	2019			2018
Land	$	17,489		$	15,965
Buildings	133,189			108,683
Machinery, equipment and fixtures	370,218			382,064
Leasehold improvements	233,842			206,170
Construction in progress	79,963			68,064
	834,701			780,946
Less accumulated depreciation	(450,031		)	(487,861		)
	$	384,670		$	293,085

Depreciation expense was $59.3 million, $56.7 million, and $62.5 million in 2019, 2018 and 2017, respectively.

The Company capitalized $2.1 million, $0.8 million, and $0.3 million of interest related to the construction of buildings in 2019, 2018 and 2017, respectively.

The Company recorded property, plant and equipment impairment charges of $0.3 million, $0.2 million and $1.0 million in 2019, 2018 and 2017, respectively. The Company estimated the fair value of the property, plant and equipment using income and market approaches.