PROPERTY, PLANT AND EQUIPMENT

The following is a summary of the Company’s property, plant, and equipment:



	December 31,
(In Thousands)	2016			2015
Land	$	22,843		$	24,300
Buildings and Improvements	69,935			76,982
Leasehold Improvements and Signs	75,786			98,435
Fixtures and Equipment¹	247,565			223,382
Assets Under Capital Leases:
with Related Parties	10,573			10,573
with Unrelated Parties	11,063			11,063
Construction in Progress	4,568			3,853
	442,333			448,588
Less: Accumulated Depreciation and Amortization	(231,062		)	(222,752		)
	$	211,271		$	225,836


¹	Includes internal-use software development costs of $73.0 million and $60.7 million as of December 31, 2016 and 2015, respectively. Accumulated amortization of internal-use software development costs amounted to $31.1 million and $22.2 million as of December 31, 2016 and 2015, respectively.

Amortization expense on assets recorded under capital leases is included in operating expenses and was $1.7 million in the years ended 2016, 2015 and 2014. Capital leases primarily consist of buildings and improvements. Assets under capital leases with related parties included $9.0 million and $8.0 million in accumulated depreciation and amortization as of December 31, 2016 and 2015, respectively. Assets under capital leases with unrelated parties included $6.9 million and $6.3 million in accumulated depreciation and amortization as of December 31, 2016 and 2015, respectively.