Selected Segment Financial Data, Revenues and Income (Loss) Before Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Segment Reporting Information [Line Items]
Assets	$ 1,640,002	$ 1,681,851
EMEA | Operating Segments
Segment Reporting Information [Line Items]
Assets	383,160	380,320
Asia/Pacific | Operating Segments
Segment Reporting Information [Line Items]
Assets	128,994	132,472
Americas - United States | Operating Segments
Segment Reporting Information [Line Items]
Assets	1,091,588	1,129,064
Americas - Other | Operating Segments
Segment Reporting Information [Line Items]
Assets	$ 36,260	$ 39,995