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Amounts Contributed to Defined Contribution Plans in Various Jurisdictions (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Defined Contribution Plans In Various Jurisdictions [Line Items]
Defined contribution plans, contributed amount	$ 9,410	$ 8,241	$ 28,951	$ 24,238
India
Defined Contribution Plans In Various Jurisdictions [Line Items]
Defined contribution plans, contributed amount	3,446	3,450	10,935	10,367
U.S.
Defined Contribution Plans In Various Jurisdictions [Line Items]
Defined contribution plans, contributed amount	620	696	2,561	2,462
U.K.
Defined Contribution Plans In Various Jurisdictions [Line Items]
Defined contribution plans, contributed amount	405	345	1,352	1,096
Hungary
Defined Contribution Plans In Various Jurisdictions [Line Items]
Defined contribution plans, contributed amount	6	6	18	52
China
Defined Contribution Plans In Various Jurisdictions [Line Items]
Defined contribution plans, contributed amount	3,899	3,092	10,781	8,670
Mexico
Defined Contribution Plans In Various Jurisdictions [Line Items]
Defined contribution plans, contributed amount	3	4	23	25
Morocco
Defined Contribution Plans In Various Jurisdictions [Line Items]
Defined contribution plans, contributed amount	20	33	71	122
South Africa
Defined Contribution Plans In Various Jurisdictions [Line Items]
Defined contribution plans, contributed amount	46	82	172	246
Hong Kong
Defined Contribution Plans In Various Jurisdictions [Line Items]
Defined contribution plans, contributed amount	4	10	15	27
Philippines
Defined Contribution Plans In Various Jurisdictions [Line Items]
Defined contribution plans, contributed amount	3	5	11	11
Japan
Defined Contribution Plans In Various Jurisdictions [Line Items]
Defined contribution plans, contributed amount	611	107	1,577	320
Singapore
Defined Contribution Plans In Various Jurisdictions [Line Items]
Defined contribution plans, contributed amount	2		8
Netherlands
Defined Contribution Plans In Various Jurisdictions [Line Items]
Defined contribution plans, contributed amount	$ 345	$ 411	$ 1,427	$ 840

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- Definition

The amount of the cost recognized during the period for defined contribution plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 70

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942

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