Detail of Certain Balance Sheet Accounts - Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,686,917	$ 1,627,347
Less accumulated depreciation	335,988	308,388
Property and equipment, net	1,350,929	1,318,959
Land
Property, Plant and Equipment [Line Items]
Property and equipment, gross	489,401	482,600
Buildings
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 717,354	700,257
Buildings | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives	25 years
Buildings | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives	50 years
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 189,059	172,071
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 123,388	117,781
Machinery and equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives	7 years
Machinery and equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives	20 years
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 109,031	100,881
Furniture and fixtures | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives	3 years
Furniture and fixtures | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives	10 years
Company vehicles
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 12,488	11,933
Company vehicles | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives	3 years
Company vehicles | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives	5 years
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 46,196	$ 41,824