Schedule of Income Before Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Domestic	$ 1,144,544	$ 764,998	$ 1,341,208
International	344,351	(41,862)	(31,535)
Income before income taxes	$ 1,488,895	$ 723,136	$ 1,309,673

Amount of income (loss) from continuing operations, including income (loss) from equity method investments and income (loss) attributable to noncontrolling interest, before deduction of income tax expense (benefit).

No definition available.

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- Definition

The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(1)(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

+ References

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- References

No definition available.

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