Property and Equipment (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Property and Equipment [Line Items]
Land	$ 162,923	$ 166,252
Buildings and leasehold improvements	468,607	467,115
Furniture, fixtures, equipment and purchased software	274,723	271,897
Construction in progress	3,494	4,907
Property and equipment, at cost	909,747	910,171
Less accumulated depreciation and amortization	385,023	371,756
Property and equipment, net	$ 524,724	$ 538,415