Employee Benefit Plans - Multiemployer Pension Plans and Year with Employer's Total Contribution Greater Than 5% (Detail) |
12 Months Ended |
---|---|
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 |