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Employee Compensation Plans - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Compensation Related Costs [Abstract] |  |  |
Contribution made by company to its profit sharing plan | $ 4.8 | $ 4.3 | $ 3.5
Expenses relating to international deferred compensation plans | $ 5.8 | 5.5 | 7.5
Percentage of matching contribution related to the Management Deferred Compensation Plan and the Senior Executive Deferred Compensation Plan | 3.50% |  |
Deferred compensation plans expense excluding participant contributions | $ 3.6 | 0.1 | $ 1.7
Total long-term deferred compensation liability | 50.0 | 43.6 |
Value of the assets in the rabbi trust | $ 30.6 | $ 29.3 |

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- Definition Deferred Compensation Plan Excluding Contribution Expenses + References No definition available. + Details
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- Definition Percentage of matching contribution related to the management deferred compensation plan and the senior executive deferred compensation plan. + References No definition available. + Details
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- Definition Carrying amount as of the balance sheet date of assets held under deferred compensation agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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