Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2017

Property, Plant and Equipment [Abstract]

Summary of property and equipment

Property and equipment consist of the following at fiscal year end:

	Useful Life	2017			2016
	(Years)	(In thousands)
Land	—	$	129,421		$	116,517
Buildings and improvements	2 to 50	2,009,279			1,853,409
Leasehold improvements	1 to 29	288,614			270,760
Equipment	3 to 10	193,281			186,095
Furniture, fixtures and computer software	1 to 7	57,204			52,225
Facility construction in progress		74,312			14,574
Total		$	2,752,111		$	2,493,580
Less accumulated depreciation and amortization		(673,988		)	(596,339		)
Property and equipment, net		$	2,078,123		$	1,897,241