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Selling, General and Administrative Expenses (Detail) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2016 | Mar. 31, 2015
Component of Operating Other Cost and Expense [Abstract] |  |
Selling, general and administrative expenses | $ 160,149 | $ 148,748
Personnel expenses |  |
Component of Operating Other Cost and Expense [Abstract] |  |
Selling, general and administrative expenses | 108,400 | 105,838
Operational expenses |  |
Component of Operating Other Cost and Expense [Abstract] |  |
Selling, general and administrative expenses | 49,578 | 40,562
Depreciation and amortization |  |
Component of Operating Other Cost and Expense [Abstract] |  |
Selling, general and administrative expenses | $ 2,171 | $ 2,348

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=51677171&loc=d3e3636-108311 + Details
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