Property and Equipment - Property and Equipment (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	$ 638,456	$ 654,167
Accumulated depreciation and amortization	(160,592)	(148,780)
Property and equipment, net	477,864	505,387
Land and land Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	121,013	130,358
Buildings and leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	373,333	372,232
Furniture, fixtures and equipment [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	99,288	92,097
Software [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	28,167	34,184
Asset under development [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	$ 16,655	$ 25,296

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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