Summary of Significant Accounting Policies - Environmental thru For Cur (Details)
$ in Thousands |
|
1 Months Ended |
12 Months Ended |
|
|
Dec. 31, 2016
USD ($)
item
|
Jan. 31, 2017
USD ($)
|
Jun. 30, 2016
location
|
Dec. 31, 2016
USD ($)
item
|
Dec. 31, 2015
USD ($)
|
Dec. 31, 2014
USD ($)
|
Sep. 30, 2016 |
| Leases |
|
|
|
|
|
|
|
| Number of locations divested | location |
|
|
30
|
|
|
|
|
| Income Taxes |
|
|
|
|
|
|
|
| Number of wholly owned subsidiaries which are taxable for federal and state income tax purposes | item |
|
|
|
1
|
|
|
|
| Credit Agreement Maturing 2018 [Member] |
|
|
|
|
|
|
|
| Leases |
|
|
|
|
|
|
|
| Combined total leverage ratio |
5.0
|
|
|
5.0
|
|
|
5.50
|
| Cost of sales |
|
|
|
|
|
|
|
| Foreign Currency Transactions |
|
|
|
|
|
|
|
| Gains/(losses) realized from transactions denominated in foreign currencies |
|
|
|
$ (251)
|
$ (714)
|
$ (25)
|
|
| Sublease Of Railcars [Member] |
|
|
|
|
|
|
|
| Leases |
|
|
|
|
|
|
|
| Number of railcars | item |
1,610
|
|
|
|
|
|
|
| Lease exit expense |
$ 80,700
|
|
|
|
|
|
|
| Consideration in settlement of remaining lease payments |
61,700
|
|
|
|
|
|
|
| Asset maintenance and management costs |
10,700
|
|
|
|
|
|
|
| Decrease in prepaid rent |
8,300
|
|
|
|
|
|
|
| Discount rate |
|
|
|
10.00%
|
|
|
|
| Cash paid at lease termination, total |
76,400
|
|
|
|
|
|
|
| Cash paid at lease termination, incremental costs portion |
$ 14,700
|
|
|
|
|
|
|
| Number of railcars included | item |
1,250
|
|
|
|
|
|
|
| Number of railcars not included | item |
360
|
|
|
|
|
|
|
| Proceeds for incremental costs |
|
$ 19,100
|
|
|
|
|
|
| Amount saved |
$ 10,200
|
|
|
|
|
|
|
| Lease payments eliminated, 2017 |
30,000
|
|
|
$ 30,000
|
|
|
|
| Lease payments eliminated, 2018 |
29,000
|
|
|
29,000
|
|
|
|
| Lease payments eliminated, 2019 |
$ 13,000
|
|
|
$ 13,000
|
|
|
|