Operating Segments and Geographic Area Information - Long-Lived Assets (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Long-Lived Assets:	$ 1,405,423	$ 1,548,577	$ 1,482,499
United States
Segment Reporting Information [Line Items]
Long-Lived Assets:	698,863	748,719	735,269
Netherlands
Segment Reporting Information [Line Items]
Long-Lived Assets:	167,965	193,775	192,540
Jordan
Segment Reporting Information [Line Items]
Long-Lived Assets:	227,805	227,818	209,133
Brazil
Segment Reporting Information [Line Items]
Long-Lived Assets:	59,474	78,078	85,353
Germany
Segment Reporting Information [Line Items]
Long-Lived Assets:	75,813	86,175	72,797
China
Segment Reporting Information [Line Items]
Long-Lived Assets:	5,310	41,858	39,542
France
Segment Reporting Information [Line Items]
Long-Lived Assets:	37,347	34,523	32,305
Korea
Segment Reporting Information [Line Items]
Long-Lived Assets:	80,362	86,827	81,962
United Kingdom
Segment Reporting Information [Line Items]
Long-Lived Assets:	3,665	3,665	0
Other foreign countries
Segment Reporting Information [Line Items]
Long-Lived Assets:	$ 48,819	$ 47,139	$ 33,598