Debt - Additional Information (Detail) - USD ($)
$ in Millions |
6 Months Ended |
|
Jun. 30, 2016 |
Dec. 31, 2015 |
| Debt Instrument [Line Items] |
|
|
| Percentage of outstanding debt priced at variable interest rates |
80.30%
|
|
| Receivables sold to Investors |
$ 532.5
|
$ 448.6
|
| 2013 Credit Agreement [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Outstanding letters of credit |
$ 11.4
|
11.6
|
| LIBOR-based loans rates |
2.00%
|
|
| Alternate base rate loans rates |
1.00%
|
|
| Credit facility |
$ 412.3
|
368.4
|
| 2013 Credit Agreement [Member] | Minimum [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| LIBOR-based loans rates |
1.00%
|
|
| Alternate base rate loans rates |
0.00%
|
|
| Percentage of lenders fee on unutilized portion borrowing facility |
0.15%
|
|
| 2013 Credit Agreement [Member] | Maximum [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| LIBOR-based loans rates |
2.00%
|
|
| Alternate base rate loans rates |
1.00%
|
|
| Percentage of lenders fee on unutilized portion borrowing facility |
0.35%
|
|
| Receivables Securitization Program [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Credit facility |
$ 200.0
|
200.0
|
| Receivables Securitization Program [Member] | Essendant Receivables LLC [Member] |
|
|
| Debt Instrument [Line Items] |
|
|
| Credit facility |
$ 200.0
|
$ 200.0
|