Property And Equipment, Net (Narrative) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Depreciation and amortization	$ 140,928	$ 92,601	$ 75,228
Continuing Operations [Member]
Property, Plant and Equipment [Line Items]
Depreciation and amortization	140,926	91,958	74,151
Property and Equipment [Member] | Continuing Operations [Member]
Property, Plant and Equipment [Line Items]
Depreciation and amortization	119,700	79,800	60,200
Property and Equipment [Member] | Discontinued Operations [Member]
Property, Plant and Equipment [Line Items]
Depreciation and amortization		$ 600	$ 1,100