Property and Equipment Net by Segment (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Total property and equipment, net	$ 1,488,518	$ 1,685,845
United States
Segment Reporting Information [Line Items]
Total property and equipment, net	1,346,889	1,483,225
Other Americas
Segment Reporting Information [Line Items]
Total property and equipment, net	1,183	1,869
Americas
Segment Reporting Information [Line Items]
Total property and equipment, net	1,348,072	1,485,094
EMEA
Segment Reporting Information [Line Items]
Total property and equipment, net	44,976	59,416
Asia Pacific
Segment Reporting Information [Line Items]
Total property and equipment, net	$ 95,470	$ 141,335