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Employee Benefit Plans - Multiemployer Pension Plans and Year with Employer's Total Contribution Greater Than 5% (Detail) | 12 Months Ended
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Dec. 31, 2016
Distributors Association Warehousemen's Pension Trust [Member] |
Multiemployer Plans [Line Items] |
Year Contributions to Plan Exceeded 5% of Total Contributions (as of Plan's Year End) | 5/31/2015 and 5/31/2014
Local 731 Private Scavengers and Garage Attendants Pension Trust Fund [Member] |
Multiemployer Plans [Line Items] |
Year Contributions to Plan Exceeded 5% of Total Contributions (as of Plan's Year End) | 9/30/2015 and 9/30/2014
Suburban Teamsters of Northern Illinois Pension Plan [Member] |
Multiemployer Plans [Line Items] |
Year Contributions to Plan Exceeded 5% of Total Contributions (as of Plan's Year End) | 12/31/2015 and 12/31/2014
Teamsters Local 301 Pension Plan [Member] |
Multiemployer Plans [Line Items] |
Year Contributions to Plan Exceeded 5% of Total Contributions (as of Plan's Year End) | 12/31/2015 and 12/31/2014

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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 Year contributions to plan exceeded five percent. + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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