PROPERTY PLANT AND EQUIPMENT, NET

9 Months Ended

Sep. 30, 2018

NOTE E — PROPERTY PLANT AND EQUIPMENT, NET

Property, plant, and equipment, net were comprised of the following:


(in thousands)	As of September 30, 2018		As of December 31, 2017
Land	$	644	$	644
Buildings		25,475		28,180
Furniture and fixtures		14,231		12,968
Machinery and equipment		27,551		26,838
Therapeutic program equipment leased to third parties under operating leases		29,059		31,100
Leasehold improvements		106,885		100,999
Computers and software		69,105		65,455
Total property, plant, and equipment, gross		272,950		266,184
Less: accumulated depreciation		(183,526)		(172,569)
Total property, plant, and equipment, net	$	89,424	$	93,615

Total depreciation expense was approximately $7.5 million and $7.3 million for the three months ended September 30, 2018 and 2017, respectively and $22.3 million and $22.4 million for the nine months ended September 30, 2018 and 2017, respectively.