Property and Equipment

6 Months Ended

Jun. 30, 2018

Property Plant And Equipment [Abstract]

Note 7. Property and Equipment

Property and equipment consisted of the following:

	June 30,			December 31,
(in thousands)	2018			2017
Land and land interests	$	32,197		$	32,544
Buildings and leasehold improvements		243,622			222,118
Equipment and other		364,480			351,676
Gross property and equipment		640,299			606,338
Accumulated depreciation		(315,348	)		(300,767	)
Property and equipment, net	$	324,951		$	305,571

Depreciation expense was $12.3 million for the three months ended June 30, 2018 and $22.6 million for the six months ended June 30, 2018. Depreciation expense was $11.3 million for the three months ended June 30, 2017 and $20.4 million for six months ended June 30, 2017.

Property and equipment acquired under capital leases increased $2.1 million during the six months ended June 30, 2018 and $0.8 million during the six months ended June 30, 2017. Property and equipment purchased through accounts payable and accrued liabilities increased $0.1 million during the six months ended June 30, 2018 and $2.0 million for the six months ended June 30, 2017.