Schedule of Stock-Based Compensation Expense and Realized Excess Tax Benefits (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Selling and administrative expenses	$ 402,745	$ 394,769	$ 369,482
Income before income taxes	361,562	386,981	231,851
Provision for income taxes	(97,069)	(107,439)	(56,897)
Net income	264,493	279,542	174,954
Net cash provided by operating activities	288,809	299,811	202,248
Net cash used in financing activities	(151,626)	(40,148)	(110,858)
Stock-Based Compensation
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Selling and administrative expenses	5,384	6,453	6,398
Total stock-based compensation expense included in operating expenses	5,384	6,453	6,398
Income before income taxes	(5,384)	(6,453)	(6,398)
Provision for income taxes	1,718	1,821	2,031
Net income	(3,666)	(4,632)	(4,367)
Net cash provided by operating activities	(3,305)	(3,396)	(3,195)
Net cash used in financing activities	$ 3,305	$ 3,396	$ 3,195

The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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The net cash from (used in) all of the entity's operating activities, including those of discontinued operations, of the reporting entity. Operating activities generally involve producing and delivering goods and providing services. Operating activity cash flows include transactions, adjustments, and changes in value that are not defined as investing or financing activities. While for technical reasons this element has no balance attribute, the default assumption is a debit balance consistent with its label.

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- Definition

The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 9: http://www.xbrl.org/2003/role/presentationRef

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- Definition

The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

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