Annual report pursuant to Section 13 and 15(d)

Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail)

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Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Property Plant And Equipment [Abstract]    
Land $ 83,163 $ 83,163
Buildings and improvements 208,351 207,665
Furniture, fixtures and equipment 330,644 297,540
Leasehold improvements 357,920 289,847
Total property, plant and equipment 980,078 878,215
Less accumulated depreciation and amortization 438,477 383,742
Property, plant and equipment, net $ 541,601 $ 494,473