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Commitments - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Commitments Disclosure [Line Items] |  |  |
Rent expense | $ 62,294 | $ 58,133 | $ 58,050
Short term committed purchase obligations | 76,306 |  |
Contribution by employer for employee saving plan | $ 9,681 | $ 8,658 | $ 8,262
Buildings |  |  |
Commitments Disclosure [Line Items] |  |  |
Terms of operating leases expiring year | Dec. 31, 2028 |  |
Land |  |  |
Commitments Disclosure [Line Items] |  |  |
Terms of operating leases expiring year | Dec. 31, 2057 |  |

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- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
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- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
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- Definition Amount of the unrecorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=73718637&loc=d3e25336-109308 + Details
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- Details
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- Details
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